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1987 Wrangler YJ
Jeep 1987 Wrangler YJ Manuals
Manuals and User Guides for Jeep 1987 Wrangler YJ. We have
1
Jeep 1987 Wrangler YJ manual available for free PDF download: Workshop Manual
Jeep 1987 Wrangler YJ Workshop Manual (1905 pages)
Brand:
Jeep
| Category:
Automobile
| Size: 58.73 MB
Table of Contents
Contents
3
General Contents
7
Specifications
9
Dimensions
9
Vehicle Identification Number
11
Safety Certification Label
12
Vehicle Identification Plate
13
Powertrain Availability
13
Fuel-Fluids-Lubricants
14
Fluid Capacities
15
Adhesives and Sealers
16
Towing-Breakdown Recovery
17
Towing Safety Precautions
17
Front Towing
17
Rear Towing
18
Lifting Methods
19
Floor Jack-Safety Stands-Hoist
19
Driveline Lubrication
20
Lubricant Change and Inspection Intervals
20
Engine Oil
20
Manual Transmission Lubricant
20
Tools
21
Products
24
Metric-Decimal Conversion Tables
26
Detachable Components Contents
29
General Information
31
General Description
32
Windshield Replacement
34
Windshield Removal/Installation Procedures
35
Short Procedure
35
Extended Procedure
35
Glass Preparation
37
Interior Rear View Mirror
39
Installation
39
Tailgate Replacement
41
Removal
41
Adjustment
41
Hinge Replacement
41
Rubber Seal Replacement
42
Latch Mechanism
43
Lock Cylinder
44
Hard Top Enclosure
45
Hard Top Enclosure Removal
47
Hard Top Enclosure Installation
48
Hard Top Enclosure Repair
48
Hole Repair
48
Fiberglass Resin
48
Lift Gate Glass
49
Textured Paint
49
Doors - Soft Top
50
Instrument Panel and Components
53
Instrument Cluster Bezel
55
Glove Box
55
Door and Hinge Removal
55
Door and Hinge Installation
55
Glove Box Removal
56
Glove Box Installation
56
Dash Panel
57
If Equipped with a Soft Top
57
If Equipped with a Hard Top Enclosure
59
Front Fenders
62
Fender Extensions
63
Radiator Grille
64
Grille Applique
65
Soft Top
67
Bumpers
72
Front Bumpers
72
Front Crossmember Cover
72
Rear Bumpers
73
Hood
75
Removal and Disassembly
75
Assembly and Installation
75
Alignment
75
Hood Lock
76
Hood Bumper
76
Seat Assemblies
77
Front Seats
77
Rear Seat
78
Floor Console
78
Console Cover Seal
79
Lock Cylinder Removal
79
Lock Cylinder Installation
80
Roll Bar
81
Seat Belts
83
Rear Floor Carpet
85
Floor Floor Carpet
85
Rear Compartment Carpet
85
Wheelhouse Carpet
85
Sealing Contents
87
Sealant Application
89
Standart Sealants and Adhesives - USA
89
Standart Sealants and Adhesives - Canada
90
Vehicle Exterior Wind Noise Diagnosis
96
Road Test
96
Water Leak Diagnosis and Repair
97
Basic Water Leak Tools and Products
97
Visual Inspection
98
Water Test
98
Diagnostic Tips
99
Welded Components Contents
101
Body and Frame Components
103
Body Construction
103
Frame Specifications
106
Leaf Spring Mounting
107
Body Holdown Specifications
108
Body Repair Information
111
Body Damage Inspection and Measurements
111
Frame Construction
112
Frame Alignment Diagnosis
112
Trammel Gauge - Diagnosis
113
Checking by Comparing Parallel Length and Diagonal Length
113
How to Use the Trammel Gauge
113
Incorrect and Correct Setup
114
Frame Diagonal Comparison Measuring Points
115
Frame Width and Measuring Points
115
Body Mounting Points
116
Self Centering Gauges
117
Ab Wide Cotation
117
Self-Centering Alignment Gauges
119
Center Line and Datum Line
119
Frame Alignment
119
Frame Conditions
119
Center Side Sway
120
Frame Sag
120
Frame Kick-Up
120
Misalignment in the Centerline
121
Out of Level Condition
121
Down at the Cowl
121
Sway
121
Sag Condition
122
Frame Straightening
122
Repair Jig Bench
122
Leveling
122
Repair Jig Bench Crossmember Locations for Body Control
124
Repair Jig Bench Crossmember Locations for Frame Control
125
Mounting Tops for Frame Control
126
Complementary Set of Mounting Tops
127
The Celette MZ System
128
MZ Specialized Tops
128
Universal MZ 450 Tower Kit
128
MZ Towers
128
Utilization
129
Construction Features of the MZ Tower and Top Assemblies
129
Repair Procedures
129
Welding Procedures
130
Electric Spot Welding
130
Pressure Adjustment
130
Current and Time Adjustments
130
MIG Welding
131
Seam (Continuous) Welding
131
Stitch Welding
132
Tack Welding
133
Plug Welding
133
High Strengt Steel (HSS)
134
Welding
134
Replacement Procedures
135
Repairing
135
Spotweld Removal
135
Chisel or Snips
135
Spherical Cutter
136
Welding Symbol Chart
137
Symboled Procedures
138
Operation Symbol
138
Tool Symbols
138
Installation Operation Example
139
Removal/Cutting Procedures
140
Installation/Welding Procedures
141
Sealing Procedures
142
Anti-Corrosion Procedures
142
Rear Corner Collision Repair
143
Rear Corner Panel Removal
143
Rear Side Panel Removal
145
Wheelhouse Removal
146
Crossmember Removal
147
Rear Floor Pan Removal
147
Rear Floor Pan - Installation Preparation
148
Floor Pan - Installation Preparation
149
Installation - Floor Pan
149
Rear Crossmember - Installation Preparation
149
Rear Crossmember - Installation
150
Wheelhouse - Installation Preparation
150
Wheelhouse - Installation
150
Sealing
150
Side Panel - Installation/Preparation
151
Side Panel Installation
152
Corner Panel Istallation
153
Corrosion Protection/Painting
154
Front Side Panel Replace
155
Front Side Panel - Installation/Pareparation
156
Front Side Panel - Installation
158
Corossion Protection - Painting
158
Rear Body Collision Repairs
159
Rear Floor Pan Crossmember - Removal
159
Rear Floor Pan Crossmember - Installation/Preparation
160
Rear Floor Pan - Installation
162
Detachable Components
163
Side Body Collision Repair
164
Front Side Body Panel Removal
164
Paint and Trim Contents
171
Paint and Trim Color Identification
173
Vehicle Identification Plate Location
173
Paint Option Number
173
Trim Option Number
173
Touch up Paint
174
AMC-JEEP-Renault Paint Identification
175
Color Matching
176
Primary Colors
176
Lighten (Drier)
176
Secondary Colors
177
Neutral Colors
177
MIX Examples
177
The Effect of Different Lighting on Color
178
Blending Technique
178
Procedure
179
Sandpaper
180
Standards
180
Abrasives
180
Exterior Refinishing
181
Precautions
181
Air Compressor
181
Distributor Air Filters
181
Paint Filtering
182
Equipment Cleaning
182
Air Pressure
182
Environment
183
Vehicle Grounding
183
Body Component Materials
184
Surface Preparation
184
Masking Procedure for Paint Application
185
Preparation for Partially Refinishing a Body Panel
185
Refinishing a Repaired Welded Body Panel
186
Refinishing a Replacement Detachable Body Panel
187
E Dip Panels
187
Finishing a Welded Replacement Body Panel
188
Refinishing Moldings and Wheels
189
Exterior Reveal Moldings
189
Aluminum Wheels
189
Refinishing Plastic Components
190
Plastic Identification
190
Plastic Classification
190
Plastic Reinforcements
191
Refinishing Plastic Exterior Components (SMC)
192
Refinishing Plastic Interior Trim Components
193
Fender Flares
193
Test for Polypropylene and Acrylonitrile Butadiene Styrene Plastic
193
Test for Vinyl
194
Refinishing ABS Plastic Components
195
Refinishing PP Plastic Components
195
Refinishing Vinyl Components
195
Chart of Common Refinish Materials
196
Corrosion Protection
200
Equipment
200
Protective Material Application
201
Vehicle Interior
201
Vehicle Underbody
201
Exterior Decals
203
Repair
203
Replacement
203
Preparation
203
Installation of Intricate Decals
207
Table of Contents
215
Specifications
217
Dimensions
217
(Vin)
219
Safety Certification Label
220
Vehicle Identification Plate
221
Powertrain Availability
221
Fuel-Fluids-Lubricants
222
Fluid Capacities
223
Adhesives and Sealers
224
Towing-Breakdown Recovery
225
Towing Safety Precautions
225
Front Towing
225
General
225
Rear Towing
226
Floor Jack-Safety Stands-Hoist
227
Automatic Transmission Fluid and Filter
228
Transfer Case Lubricant
228
Axle Lubricant
228
Lubricant Change and Inspection Intervals
228
Engine Contents
231
Special Tools
236
General Service and Diagnosis
238
Emission Control Components - Six Cylinder Engine
238
Diagnosis Procedures
239
Service Diagnosis - Mechanical
240
Service Diagnosis - Performance (Carbureted Models)
246
Scope Analyzer Diagnosis - Ignition System Tester
252
Cylinder Compression Pressure Test
252
Cylinder Combustion Pressure Leakage Test
253
Cylinder Head Gasket Failure Diagnosis
253
Cylinder-To-Cylinder Leakage
254
Cylinder Combustion Pressure Leakage Test Diagnosis
254
Intake Manifold Leakage Diagnosis
255
Cylinder-To-Water Jacket Leakage Test
255
Intake Manifold Exterior Leak Diagnosis
255
Engine Tune-Up Procedures
256
Drive Belts
256
Vacuum Hoses and Fittings
256
Ignition System
256
Spark Plug Condition
257
Spark Plug Condition - Electrode Gap Bridging
257
Spark Plug Condition - Scavenger Deposits
257
Spark Plug Condition - Chipped Electrode Insulator
258
Spark Plug Condition - Pre-Ignition Damage
258
Spark Plug Condition-Cold Fouling/Carbon Fouling
259
Spark Plug Condition - Spark Plug Overheating
259
Spark Plug and Ignition Coil Wires
260
Spark Plug Wire Test
260
Spark Plug and Coil Wire Resistance Values
260
Ignition Coil
261
Distributor
261
Distributor Rotor Inspection
261
Distributor Cap Inspection
262
Four-Cylinder Firing Order
262
Six-Cylinder Firing Order
262
Ignition System Timing
263
Magnetic Timing Probe
263
Distributor Advance Mechanism Testing - Six-Cylinder
265
Centrifugal Advance Test
265
Vacuum Advance Test - Six-Cylinder
265
Distributor Advance Mechanism Testing - OFF-Engine - Six-Cylinder
266
Distributor RPM
266
Distributor Degrees Advance
266
Distributor Ignition Advance Curves - Six-Cylinder Engine
267
Tune-Up Specifications
268
Fuel System
269
Carburetor Idle Speed Adjustments
269
Air Cleaner
269
Fiil Filter
269
Idle Speed Adjustment - Six-Cylinder Engine
270
Sole-Vac Vacuum Actuator Adjustment
270
Sole-Vac Holding Solenoid Adjustment
270
Curb Idle Speed Adjustment
271
2.46 Liter Four-Cylinder Engine
272
Build Date Code
273
Engine Build Date Code Explanation
273
Component Letter Codes - Oversize/Undersize
273
Oversize or Undersize Components Letter Code
274
Four-Cylinder Engine - Cylinder Block (Exploded)
275
Four-Cylinder Engine - Cylinder Head (Exploded)
276
Torque Specifications
278
Engine Firing Order
282
Short Engine Assembly (Short Block)
283
Engine Mounting
283
Engine Mount Components
284
Engine Holding Fixture
285
Engine Removal
285
Engine Installation
287
Cylinder Head Cover
290
Cylinder Head Removal
290
Valves and Actuating Components
291
Cylinder Head Cover Installation
291
Rocker Arm Assembly Removal
291
Rocker Arm Assembly Cleaning and Inspection
292
Rocker Arm Assembly Installation
292
Hydraulic Valve Tappets Removal
293
Hydraulic Valve Tappets Installation
293
Valve Springs and Oil Deflector Removal
293
Valve Spring and Oil Deflector Installation
295
Measuring the Cam Lobe Lift
295
Valve Timing
296
Vibration Damper and Pulley Removal
297
Vibration Damper and Pulley Installation
297
Timing Case Cover Removal
298
Timing Case Cover Installation
298
Crankshaft (Front) Oil Seal Replacement - Cover Installed
300
Timing Chain Removal
301
Timing Chain Installation
302
Camshaft Pin Replacement
303
Camshaft Removal
306
Camshaft Installation
308
Intake Manifold Removal
312
Intake Manifold Installation
313
Exhaust Manifold Removal
314
Exhaust Manifold Installation
314
Cylinder Head Cleaning and Inspection
316
Cylinder Head Installation
316
Lubrication System
318
Oil Pan Remowal
319
Oil Pan Cleaning
319
Oil Pan Installation
320
Oil Pump Removal
320
Oil Pump Installation
321
Oil Pump Overhaul
321
Oil Pressure Gauge
321
Pistons and Connecting Rods Assembly Replacement
322
Pistons and Connecting Rods Assembly Removal
322
Pistons and Connecting Rods Assembly Installation
324
Piston Pin Removal, Inspection, Installation
326
Connecting Rod Bearings Removal
327
Connecting Rod Bearings Inspection
327
Measuring Bearing-To-Journal Clearance with Plastigage
327
Conecting Rod Bearings Installation
328
Piston Replacement and Servicing
328
Crankshaft Replacement
328
Crankshaft Removal and Installation
328
Crankshaft Main Bearings Removal
329
Crankshaft Main Bearings Installation
330
Measuring Main Bearing-To-Journal Clearance with Plastigage
330
Rear Main Bearing Oil Seal Removal
331
Rear Main Bearing Oil Seal Installation
332
Flywheel/Drive Plate and Ring Gear Removal
332
Flywheel/Drive Plate and Ring Gear Installation
332
Ring Gear Replacement
333
4.2 Liter Six-Cylinder Engine
334
Engine Identification
336
Oversize or Undersize Components
336
Six-Cylinder Engine Assembly - Cylinder Head
337
Six-Cylinder Engine Assembly - Cylinder Block
338
Six-Cylinder Engine Assembly - Oil Pan and Pump
339
Cylinder Head Cover Removal
352
Cylinder Head Cover Installation
353
Sealer Date Code Chart
354
Valve Spring and Oil Deflector Removal
357
Cam Lobe Lift Measurement
359
Crakshaft Vibration Damper and Pulley Removal
360
Crankshaft Vibration Damper and Pulley Installation
361
If Equipped with Air Conditioning
373
Exhaust Manifold Cleaning and Inspection
381
Lubrication System - Oil Pan Removal
383
Lubrication System - Oil Pan Installation
384
Pistons Ans Connecting Rods Assembly Installation
388
Piston Pins Removal/Installation
389
Crankshaft Removal/Installation
390
Connecting Roi Bearings Installation
390
Measuring Main Bearing-To-Journal Clearance
391
Crankshaft Front Oil Seal Replacement
392
Rear Main Bearing Oil Seal Replacement
393
Flywheel/Drive Plate and Ring Gear Replacement
394
Ring Gear Replacement (Manual Transmission)
395
Cooling System
398
Engine Drive Belt Arrangements
398
Cooling System Components
399
Coolant
400
Coolant Level - Without Coolant Recovery System
400
Coolant Level - with Coolant Recovery System
400
Coolant Draining
400
Coolant Replacement
401
Air Purging from the Cooling System
401
Water Pump
402
Coolant Removal from Crankcase
402
Water Pump Pulley Removal
402
Water Pump Pulley Installation
402
Water Pump Installation
403
Water Pump Tests
404
Loose Impeller Test
404
Inlet Restriction Inspection
404
Intake Manifold
405
Coolant Flow Test
405
Hoses
406
Thermostat Removal
406
Thermostat Cleaning
406
Thermostat Installation
406
Thermostat Testing
407
Radiator Identification
408
Radiator Maintenance
408
Thermostat Calibrations
408
Radiator Removal
409
Radiator Pressure Cap
410
Radiator Pressure Cap Testing
410
Fan Removal
411
Tempatrol Drive Unit/Fan Blade Unit Removal
411
Tempatrol Drive Unit/Fan Blade Unit Installation
411
Fan Installation
412
Tempatrol Fan Test
412
Dynamic Test
412
Fan Shroud
413
Coolant Recovery System
413
Coolant Recovery Bottle Removal
413
Coolant Recovery Bottle Installation
413
Cylinder Block Heater Removal
414
Cylinder Block Heater Installation
414
Four-Cylinder Engine
414
Six-Cylinder Engine
414
Cooling System Maintenance
415
Engine Flushing
415
Solvent Cleaning
415
Radiator Reverse Flushing
415
Cooling System Diagnosis
416
Transmission Fluid Cooler Repairs
416
Core Plugs
416
Service Diagnosis
417
Low Coolant Temperature Diagnosis Guide
420
Engine Overheating Diagnosis Guide
420
Cooling System Leakage Tests
422
Internal Leakage Inspection
423
Combustion Leakage Test (Without Pressure Tester)
424
Transmission Fluid Cooler Leakage Test
424
Drive Belt Adjustments
425
Alternator and Fan Adjustment
425
Air Conditioner Compressor Adjustment: Six-Cylinder Engine
426
Serpentine Drive Belt Diagnosis
427
Power Steering Pump Adjustment
427
Serpentine Drive Belt Adjustment
427
Serpentine Drive Beit Diagnosis
428
Throttle Body Injection Fuel System
431
Throttle Body Injection Removal (4-Cyl.eng)
431
Throttle Body Injection Installation (4-Cyl.eng)
433
Fuel Body Assembly Removal
433
Fuel Body Assembly Installation
434
Fuel Pressure Regulator Removal
434
Fuel Pressure Regulator Installation
434
Fuel Injector Removal
435
Fuel Injector Installation
436
Throttle Position Sensor Removal
436
Throttle Position Sensor Installation
436
Idle Speed Control Motor Removal
436
Idle Speed Actuator Motor Installation
437
EGR Valve Removal
437
EGR Valve Installation
437
Manifold Absolute Pressure Sensor Removal
438
Manifold Absolute Pressure Sensor Installation
438
Manifold Air/Fuel Temperature Sensor Removal
439
Manifold Air/Fuel Temperature Sensor Installation
439
Coolant Temperature Sensor Removal
439
Coolant Temperature Sensor Installation
439
Power Relay/Fuel Pump Relay Removal
440
Power Relay/Fuel Pump Relay Installation
440
Canister Purge/Egr Solenoid Removal
441
Canister Purge/Egr Solenoid Installation
441
Wide Open Throttle Switch Removal
441
Wide Open Throttle Switch Installation
441
Quick-Connect Fuel Line O-Ring Replacement
442
Fuel Filter Removal
444
Fuel Filter Installation
444
Fuel Tank Removal
444
Fuel Tank Installation
445
Sending Unit/Fuel Pump Removal
446
Sending Unit/Fuel Pump Installation
446
Diagnostic Connector - Throttle Body Injection
447
ECU Connector - Throttle Body Injection
448
1987 TBFI Wiring Diagrams
449
1987 Emission Control System Schematic - Throttle Body Injection
450
Fuel System - BBD Carburetor
451
Code Number/Build Date Identification
451
Model BBD Carburetor Idle Speed
451
Model BBD Carburetor Mixture Adjustment
451
Model BBD Carburetor Specifications
452
Model BBD Carburetor Calibrations
452
Carburetor Removal
453
Carburetor Installation
453
Choke Mechanism Disassembly
453
Choke Mechanism Assembly
454
Model BBD Carburetor (Exploded)
455
Complete Carburetor Overhaul
456
Parts Identification
456
Carburetor Disassembly
457
Carburetor Cleaning and Inspection
460
Carburetor Assembly
461
Carburetor Service Adjustments
463
Float Level Adjustment
463
Vacuum Piston Gap Adjustment
464
Vacuum Piston Adjustment
464
Accelerator Pump Adjustment
464
Initial Choke Valve Clearance Adjustment
465
Fast Idle Cam Position Adjustment
466
Choke Unloader Adjustment
466
Fuel Bowl Vent Adjustment
467
Choke Adjustment (On- or Off-Engine)
467
Fast Idle Speed Adjustment
468
Idle Speed Adjustment
468
Idle Mixture Adjustment
469
Exhaust Gas Recirculation System
471
EGR Valve
471
EGR System Functional Tests
471
EGR Valve Opening Test
471
EGR Valve Closing Test
472
EGR System CTO Valve
473
EGR System CTO Valve Functional Test
473
EGR System CTO Valve Removal
474
EGR System CTO Valve Installation
474
EGR System System Thermal Vacuum
474
EGR System System Thermal Vacuum Switch
474
EGR System Thermo Vacuum Switch Functional Test
475
EGR System Thermo Vacuum Switch Removal
475
EGR System Thermo Vacuum Switch Installation
475
EGR System Forward Delay Valve
475
EGR System Forward Delay Valve Functional Test
476
Forward Delay Valve Test
476
Positive Crankcase Ventilation (PCV) System
477
PCV Valve Functional Test
477
PCV Valve Flow Rate
478
PCV Air Inlet Filter Removal
479
PCV Air Inlet Filter Cleaning and Inspection
479
PCV Air Inlet Filter Installation
479
Thermostatically Controlled Air Cleaner
480
TAC System - Six-Cylinder Engine
480
Air Valve Vacuum Motor Functional Test
481
Air Valve Vacuum Motor Removal
482
Air Valve Vacuum Motor Installation
482
Thermal Switch Functional Test
482
Thermo Switch Removal
482
Thermal Switch Installation
483
Air Cleaner Trap Door
483
Trap Door Functional Tests
483
Trap Door Vacuum Motor Removal
484
Trap Door Vacuum Motor Installation
484
Reverse Delay Valve Functional Test
484
Fuel Feedback Systems
485
Computerized Emission Control Fuel Feedback Systems
485
Micro Computer Unit (MCU)
486
MCU Inputs
487
Coolant Temperature Switch
487
Thermal Electric Switch
488
Four- and Ten-Inch Hg Vacuum Switches
488
Oxygen Sensor
489
Wide Open Throttle (WOT) Switch
489
Knock Sensor
490
Altitude Jumper Wire
491
MCU Outputs
492
Stepper Motor (Six-Cylinder Engine)
492
Idle Relay
493
Sole-Vac Throttle Positioner
493
Idle Solenoid
493
Upstream and Downstream Solenoids
494
Positive Crankcase Ventilation (PCV) Valve Shut-Off Solenoid
495
Bowl Vent Solenoid
495
CEC Fuel Feedback System Operation
496
Key-On Mode Operation
496
Start-Up Mode
496
Intake Manifold Heater Switch
496
Warm-Up Mode
497
Cruise Mode
497
Diagnostic Tests
497
Preliminary Tests
498
Six-Cylinder Engine CEC System Wiring Diagram
499
Diagnostic Connectors
502
MCU Connector
502
Wire Harness Connector
502
Six-Cylinder Engine Vacuum Diagram
503
CEC System (Six-Cylinder Engine)
504
Diagnostic Test
504
Operational Test
504
Diagnostic Test
506
Initialization Test
506
Open Loop Switch Test
509
Closed Loop Operational Test
514
Electronic Ignition Retard Test
515
Oxygen Sensor and Closed Loop Test
516
Downstream Solenoid Test
518
Upstream Solenoid Test
520
Idle Speed Control System Test
522
Sole-Vac Vacuum Switching Solenoid Test
523
Sole-Vac Idle Speed Relay Test
524
Basic Engine Test
525
Exhaust Systems
526
Restricted Exhaust System Diagnosis
527
Four-Cylinder Engine Exhaust System
528
Six-Cylinder Engine Exhaust System
529
Exhaust Manifolds
529
Muffler Removal
529
Muffler Installation
530
Front Exhaust Pipe Removal
530
Front Exhaust Pipe Installation
530
Rear Exhaust Pipe or Tailpipe Removal
530
Pulse Air System
531
Air Injection Check Valve
531
Air Control Valve
531
Air Switch Solenoid
533
Vacuum Storage Tank
533
Micro Computer Unit
533
Catalytic Converter Systems
534
Dual Bed Monolithic-Type Converter
534
Converter Removal
534
Converter Installation
534
Electrical Contents
535
Batteries
543
Battery Specifications
544
Battery Codes
544
Battery Removal
545
Battery Installation
545
Battery Testing
545
Self-Discharging Rate
546
Hydrometer Test
546
Heavy Load Test
549
Charging System - Delco
550
Delco Charging System Specifications
551
Output Voltage Specifications
551
Delco Charging System
552
Delco Alternator
553
Delco Charging System Diagnosis
553
Voltage Regulator
553
Servicing Precautions
553
Alternator Mounting Bolts/Ground
554
Alternator Noise
554
Voltmeter Failure or Abnormal Indication Diagnosis
554
Undercharged Battery
554
Testing - On- Vehicle
555
Battery Discharge through Alternator
555
Overcharged Battery
555
Alternator Removal
557
Testing-Off Vehicle
557
Alternator Tester
557
Rotor (Field) Winding-Short Circuit-To-Ground Test
557
Rotor (Field) Winding-Open Circuit Test
558
Rotor (Field) Winding Internal Short Circuit Test
559
Stator Windings-Short Circuit to Ground Test
559
Stator Windings-Continuity Test
560
Stator Windings-Internal Short Circuit Test
560
Diode Trio-Short Circuit Test
560
Test with the Diode Trio Installed
561
Test with Diode Trio Removed
561
Alternator Disassembly
562
Bridge Rectifier Test
562
Alternator Cleaning and Inspection
564
Alternator Assembly
565
Alternator Installation
566
Drive Belt Adjustment
566
Starting System - Motorcraft (6-Cyl. Engine)
567
Motorcraft Starter Motor
567
Starter Motor - Exploded View
567
Motorcraft Starting System Specifications
568
Simplified Starter Motor Circuit
569
Troubleshooting
570
Fuel System/Ignition System Problems
570
On-Vehicle Testing
572
Starter Motor will Not Rotate
572
Solenoid Pull-In Coil Winding Test
572
Solenoid Ground Test
573
Starter Motor Cable and Ground Cable Tests
573
Starter Motor-Full Load Current Test
574
Off-Vehicle Testing
575
Neutral Safety Switch Test
575
No-Load Current Test
575
Hold-In Coil Winding-Resistance Test
576
Solenoid Contact-Point Connection Test
576
Insulated Brush-Connection Test
577
Field Winding-Terminal to Brush Continuity Test
577
Terminal Bracket-Insulation Test
578
Armature Tests
578
Armature-Ground Test
578
Armature-Short Test
579
Armature-Balance Test
579
Motorcraft Starter Motor Removal
580
Motorcraft Starter Motor Disassembly
580
Motorcraft Starter Motor Cleaning and Inspection
580
Field Winding Removal
582
Field Winding Cleaning and Inspection
582
Field Winding Installation
582
Solenoid Contact Point Assembly Removal
583
Solenoid Contact Point Assembly Installation
584
Bushing Replacement
584
Drive Mechanism Removal
584
Drive Mechanism Installation
584
Motorcraft Starter Motor Assembly
585
Motorcraft Starter Motor Installation
586
Neutral Safety Switch Replacement
586
Starting System - Bosch (4-Cyl. Engine)
587
Bosch Starter Motor and Solenoid Testing Specifications
587
Bosch Starter Motor Cold Cranking Specifications
587
Bosch Starter Motor
588
Bosch Starter Motor Simplified Circuit
590
Bosch Starter Motor Service Diagnostic Inspections
591
Wiring Inspection
591
Starter Motor Solenoid, Relay and Ignition/Start Switch
591
Starter Relay Connections
591
Bosch Starter Motor Noise Diagnosis
592
Bosch Starter Motor Testing
593
Bosch Starter Motor Relay Test
594
Neutral Safety Switch-Continuity Test
594
Bosch Starter Motor Relay Remowal
594
Bosch Starter Motor Relay Installation
595
Bosch Starting System Troubleshooting
596
Battery Cable Voltage Drop
597
Solenoid Testing
597
No-Load Test
598
Bosch Starter Motor Removal
599
Bosch Starter Motor Disassembly
599
Solenoid Switch Removal
600
Stator Frame Removal
600
Armature Removal
600
Commutator End Shield Removal
601
Brush Removal
601
Overrunning Clutch and Planetary Gear Removal
602
Bosch Starter Motor Cleaning and Inspection
603
Driveshaft/Ring Gear Assembly Inspection
603
Overrunning Clutch Drive Inspection
603
Carbon Brush Inspection
603
Armature Testing
604
Armature Ground Test
604
Armature Short Test
604
Bosch Starter Motor Assembly
605
Armature Balance Test
605
Armature Runout Test
605
Gear Drive with the Overrunning Clutch Installation
605
Overrunning Clutch and Planetary Gear Installation
607
Commutator End Shield Installation
608
Stator Frame Installation
609
Bosch Starter Motor Installation
610
Solenoid Switch Installation
610
Ignition System - Renix (4-Cyl. Engine)
611
Spark Plug Specifications
612
Firing Order
612
Ignition System Components
613
Ignition Control Module (ICM)
613
ICM Connections
613
Flywheel
614
Ignition System Diagnosis
615
TDC Sensor
615
Component Pin-Outs
615
Diagnostic Connector
615
Ignition System Diagnosis Chart
616
2.5L Distributor General Information
617
2.5L Distributor Removal
617
2.5L Distributor Installation
617
Secondary Circuit Diagnosis
617
2.5L Distributor Components
618
Rotor
618
SSI Distributor and Ignition Coil Specifications
619
Firing Sequence
619
Ignition System - Motorcraft (6-Cyl. Engine)
620
Motorcraft (6-Cyl. Engine) Ignition System Simplified Schematic
620
Electronic Ignition Control Unit
621
Ignition Coil Connector
621
Ignition Coil Primary Circuit
623
Connects Battery Voltage to Coil and Coil to Ground
623
Coil Test
626
Sensor Check and Control Unit Check
627
Ignition Feed to Electronic Control Unit
629
Distributor Advance Tests
630
Engine Spark Knock (Pre-Ignition) Diagnosis
630
High Underhood Air Temperature
630
Air Density
630
Ignition Coil Tests
631
Vacuum Advance Test
631
Primary Winding Resistance Test
631
Secondary Winding Resistance Test
631
Ignition Coil Output Test
632
Intermittent Failure Diagnosis
632
4.2L Distributor Removal
635
4.2L Distributor Installation
635
4.2L Distributor Component Replacement
636
Trigger Wheel And/Or Pickup Coil Assembly Removal
637
Trigger Wheel And/Or Pickup Coil Assembly Installation
637
Vacuum Advance Mechanism Removal
638
Vacuum Advance Mechanism Installation
638
Ignition Switch Removal
640
Ignition Switch Testing
640
Ignition Switch Positions
640
Maiimum Voltage Drop
640
Ignition Switch Terminals
641
Ignition Switch Installation - Standard Column
642
Ignition Switch Installation - Tilt Column
642
Chassis Wiring Harness
644
Main Harness Connector
644
Fusible Links
644
Fusible Link Removal
644
Fusible Link Installation
645
Exterior Lighting System
646
Exterior Lamp Specifications
646
Headlamp
647
Headlamp Removal
647
Headlamp Installation
647
Headlamp Aiming Procedure
648
Headlamp Aiming
649
Parking and Directional Lamp Removal
651
Parking and Directional Lamp Installation
651
Front Side Marker Lamp Removal
652
Front Side Marker Lamp Installation
652
Taillamp Removal
652
Taillamp Cleaning
652
Taillamp Installation
653
Rear Side Marker Lamp Removal
653
Rear Side Marker Lamp Cleaning
653
Rear Side Marker Lamp Installation
653
Backup Lamp Removal
654
Backup Lamp Installation
654
License Plate Lamp
654
Fog Lamp General Information
654
Fog Lamp Removal and Installation
656
Fog Lamp Switch Removal
656
Fog Lamp Switch Installation
656
Fog Lamp Element Removal
656
Fog Lamp
657
Fog Lamp Aiming
657
Fog Lamp Element Installation
658
Engine Compartment Lamp
658
Interior Lighting System
659
Interior Lamp Specifications
659
Dome Lamp Lens Removal and Installation
659
Headlamp Switch Removal
659
Headlamp Dimmer Switch Removal and Installation
660
Headlamp Dimmer Switch Connections
660
Directional Signal Switch Diagnosis
660
Directional Signal Switch Removal
660
Directional Signal Switch Installation
661
Internal Circuitry Schematic
661
Four-Way Emergency Flasher - Hazard Warning
661
Four-Way Emergency Flasher Removal and Installation
661
Wiring Harness Components
662
Turn Signal/Hazard Warning Connector Diagram
662
Backup Lamp Switch - Manual Transmission
663
Backup Lamp Switch - Automatic Transmission
663
Stoplamp Switch Removal
664
Stoplamp Switch Installation
664
Stoplamp Switch Electrical Test
664
Horn System
665
Horn Failure Diagnosis
665
Horn
665
Simplified Horn Circuit
666
Horn Removal
666
Horn Installation
666
Windshield Wipers
667
Wiper Blade Removal
667
Wiper Blade Installation
667
Wiper Arm Removal
667
Wiper Arm Installation
668
Pivot Shaft Body and Linkage Removal
668
Pivot Shaft Body and Linkage Installation
668
Windshield Wiper Systems
669
Wiper Motor Removal
669
Wiper Motor Installation
669
Electric Washer Pump Assembly
670
Intermittent Governor Diagnostic Testing
670
Diagnosis
670
Rear Window Defogger Switch Removal
671
Rear Window Defogger Switch Installation
671
Rear Window Defogger Grid Test
671
Rear Window Defogger Grid Repair
672
Cruise Control Components
674
Cruise Control Switch
674
Cruise Control Operation
675
Cruise Control Diagnosis
675
Cruise Control Diagnostic Testing Procedure
678
AM PC-1-R Cruise Control Tester Diagnostic Chart
679
Cruise Control Servo Checks
679
Cruise Control Schematic
680
Cruise Control Diagnostic Testing Explanation
681
Cruise Control Module Adjustments
682
Centering Adjustment
682
Low Speed Switch Adjustment
682
Sensitivity Adjustment
682
Cruise Control Component Testing and Adjustments
683
Cruise Control Servo
683
Control Switch Continuity Test
684
Vacuum Release Valve Adjustment
685
Cruise Control Module Removal
686
Cruise Control Module Installation
686
Cruise Control Servo Removal
686
Cruise Control Servo Installation
686
Speed Sensor Removal
687
Speed Sensor Installation
687
Servo Cable Removal
687
Servo Cable Installation
687
Cruise Control Switch Removal
688
Cruise Control Switch Installation
688
Instrument Panel Specifications
689
Gauge Cluster Removal
689
Oil Pressure Gauge Resistance (Ohms)
689
Temperature Gauge Resistance (Ohms)
689
Instrument Panel
690
Gauge Cluster Installation
691
Instrument Panel Gauge Removal and Installation
691
Clock Removal
691
Clock Installation
691
Instrument Shroud Removal
692
Instrument Shroud Installation
692
Indicator Panel
692
Instrument Panel Indicator Bezel
693
Indicator Bezel Removal
694
Indicator Bezel Installation
694
Headlamp Switch Installation
694
Tachometer Removal
695
Tachometer Installation
695
Speedometer Removal
695
Speedometer Installation
695
Illumination Rheostat Removal
696
Illumination Rheostat Installation
696
Clutch Contents
697
Clutch Specifications
699
Clutch Components
701
Clutch Cover and Driven Plate
701
Clutch Hydraulic System
701
Slave Cylinder and Throwout Bearing Assembly
701
Clutch Service
702
Clutch Cover and Driven Plate Removal
702
Clutch Cover and Driven Plate Installation
702
Pilot Bushing Replacement
703
Clutch Master Cylinder Removal
703
Clutch Master Cylinder Installation
703
Master Cylinder Components
704
Clutch Master Cylinder Overhaul
705
Cylinder Disassembly and Cleaning
705
Cylinder Inspection and Assembly
705
Clutch Slave Cylinder and Throwout Bearing
706
Cylinder and Bearing Removal
707
Cylinder and Bearing Installation
708
Clutch Hydraulic System Fluid
709
Clutch Hydraulic System Bleeding
709
Clutch Hydraulic System Fluid Level
710
Gearboxes Contents
711
Manual Transmission
715
Transfer Case
715
Transmissions
716
General Service Information
716
Transmission Identification
716
Transmission Gear Ratios
716
Ax-5 Transmission Removal
717
AX-5 Transmission Installation
718
BA 10/5 Transmission Removal
719
BA 10/5 Transmission Installation
720
Transmission Lubrication
721
Lubricant Type
721
Lubricant Fill Level
721
Fill and Drain Plug Locations
721
Lubricant Capacity
722
Transfer Case Identification
723
Transfer Case Application
723
Transfer Case Service Diagnosis
724
Transfer Case Removal
724
Transfer Case Installation
725
Transfer Case Shift Linkage Adjustment
725
Transfer Case Lubrication
726
Two-Piece Fill Plug
726
Speedometer Gear Application Chart
727
Automatic Transmission Contents
729
Automatic Transmission
731
Hydraulic Pressure Test Specifications
732
Stall Speed Specifications
732
Fluid Capacity and Gear Ratios
732
Transmission Fluid
733
Band Adjustment Specifications
733
Transmission Components
735
Model 999 Transmission Components
736
Torque Converter Identification
737
Torque Converter Service
737
Diagnosis and Testing
738
Preliminary Diagnosis
738
Fluid Level and Condition
738
Vehicle Is Driveable
738
Linkage Adjustment
739
Throttle Linkage
739
Gearshift Linkage
739
Gearshift Linkage Check
739
Clutch and Band Application Chart
740
Analyzing Road Test Results
740
Hydraulic Pressure Test
741
Pressure Test Port Location/Connection
741
Hydraulic Pressure Test Procedure
742
Hydraulic Pressure Test Diagnosis
745
Air Pressure Test
746
Front Clutch Test
746
Rear Clutch Test
746
Front Servo Test
746
Governor
747
Stall Test
747
Rear Servo Test
747
Stall Test Procedure
747
Converter Housing Fluid Leak Diagnosis
748
Stall Speed too Low
748
Stall Speed Normal
748
Noise
748
Leak Diagnosis Procedure
749
General Service Diagnosis
750
Service Diagnosis Charts
750
Diagnosis Chart - In-Vehicle Procedures
751
Diagnosis Chart - Out-Of-Vehicle Procedures
753
In-Vehicle Service and Adjustment
755
Gearshift Linkage Adjustment
755
Throttle Linkage Adjustment
755
Front Band Adjustment
756
Rear Band Adjustment
757
Oil Filter Replacement
758
Valve Body Service and Adjustment
759
Valve Body Removal
759
Valve Body Installation
759
Valve Body Pressure Adjustments
760
Line Pressure Adjustment
760
Front - Rear Servo Overhaul
761
Valve Body Throttle Pressure Adjustment
761
Governor Valve and Park Gear Service
762
Governor Valve and Park Gear Removal
762
Governor Valve Disassembly and Cleaning
763
Governor Valve Inspection and Assembly
763
Governor Valve and Park Gear Installation
763
Park Lock Component Service
764
Park Lock Component Removal
764
Neutral Safety Switch
765
Park Lock Component Installation
765
Starting Circuit Test
765
Backup Lamp Circuit Test
765
Oil Cooler and Cooler Line Flushing
766
Main Oil Cooler
766
Auxiliary Oil Cooler
766
Oil Cooler and Line Flushing Procedure
766
Transmission Removal
767
Transmission Installation
767
Steering and Front Axle Contents
769
Front Wheel Alignment Specifications
771
Manual Steering Gear Specifications
771
Power Steering Gear Specifications
772
Pump Pressure Specifications
772
Pump Drive Belt Tension
773
Axle Ratio-Ring and Pinion Tooth Combinations
773
Axle Differential Specifications
774
Ring and Pinion Variance Chart
774
Tire Pressures
775
Wheel and Tire Runout Specifications
775
Steering Linkage Torque Specifications
776
Standard Steering Column Torque Specifications
777
Tilt Steering Column Torque Specifications
777
Manual Steering Gear Torque Specifications
778
Power Steering Gear Torque Specifications
779
Power Steering Pump Torque Specifications
780
Front Axle Torque Specifications
781
Propeller Shaft Torque Specifications
782
Steering and Front Axle Components
787
Steering Columns
787
Power Steering Pump
787
Steering Damper
787
Front Wheel Alignment
788
Alignment Information
788
Checking Front Wheel Alignment
788
Adjusting Front Wheel Alignment
789
Front Wheel Toe Setting
789
Steering Linkage Components
791
Center Link Replacement
791
Tie Rod Replacement
791
Steering Damper Replacement
792
Steering Column Service
793
Ignition Switch Replacement
793
Ignition Switch Installation
793
Dimmer Switch Replacement
794
Steering Column Diagnosis
794
Dimmer Switch Removal
794
Dimmer Switch Installation
794
Service Diagnosis - All Columns
795
Service Diagnosis - Tilt Column
796
Service Diagnosis - Ignition Lock Mechanism
797
Steering Wheel Removal
798
Steering Wheel Installation
798
Steering Column Removal
798
Steering Column Installation and Alignment
800
Standard Steering Column Disassembly
800
Standard Steering Column Assembly
806
Tilt Steering Column Disassembly
811
Tilt Steering Column Assembly
820
Manual Steering Gear
827
Pitman Shaft Seal Replacement
827
Manual Steering Gear Adjustment - in Vehicle
827
Manual Steering Gear Diagnosis
830
Manual Steering Gear Removal
832
Manual Steering Gear Installation
832
Manual Steering Gear Components
833
Manual Steering Gear Disassembly
834
Manual Steering Gear Assembly and Adjustment
836
Cleaning and Inspection
836
Power Steering Gear
841
Power Steering System Leak Inspection
841
Housing End Plug Seal Replacement
843
Power Steering Gear Diagnosis
844
Power Steering Gear Removal
848
Power Steering Gear Installation
848
Power Steering Gear Components
849
Power Steering Gear Disassembly
850
Major Component Removal
850
Major Component Disassembly
852
Adjuster Plug Disassembly
852
Rack Piston-Wormshaft Disassembly
853
Valve Body-Stub Shaft Disassembly
853
Power Steering Gear Assembly and Adjustment
855
Gear Housing Assembly
855
Adjuster Plug Assembly
857
Valve Body Assembly
858
Rail Piston-Wormshaft Assembly
859
Major Component Installation
861
Power Steering Gear Adjustment
863
Worm Bearing Preload Adjustment
863
Pitman Shaft Overcenter Drag Torque
864
Fluid Level and Initial Operation
866
Leak Inspection and Diagnosis
867
Power Steering Pump Diagnosis
869
Serpentine Drive Belt
871
Power Steering Pump Removal
872
Power Steering Pump Installation
872
V-Type Drive Belt
872
Power Steering Pump Components
873
Power Steering Pump Disassembly
874
Power Steering Pump Assembly
875
Front Axle Identification
879
Front Axle Removal
879
Front Axle Installation
881
Pinion Seal and Yoke Replacement
881
Yoke and Seal Removal
881
Yoke Aid Seal Installation
882
Front Hub and Bearing Service
883
Hub and Bearing Removal
883
Hub and Bearing Service
883
Front Hub and Bearing Assembly
884
Front Axle Shaft Removal
885
Front Axle Shaft Installation
885
Hub and Bearing Installation
885
Axle Shaft Universal Joint Replacement
886
Intermediate Shaft Removal
887
Intermediate Shaft Installation
887
Steering Knuckle Service
887
Steering Knuckle Removal
887
Axle Tube Bearing Replacement
888
Axle Tube Seal and Guide Replacement
888
Steering Knuckle Installation
888
Bearing Removal and Installation
888
Ball Joint Replacement
889
Upper Ball Joint Removal
889
Upper Ball Joint Installation
889
Lower Ball Joint Removal
890
Lower Ball Joint Installation
890
Differential Removal
891
Front Axle Differential Components
893
Differential Disassembly
894
Differential Cleaning and Inspection
895
Differential Assembly and Adjustment
896
Service and Adjustment Information
896
Pinion Gear Installation and Depth Adjustment
896
Pinion Bearing Preload Adjustment
899
Differential Side Gear Clearance Measurement
900
Differential Bearing Preload and Ring Gear Backlash Adjustment
900
Differential Installation
902
Propeller Shaft
903
Description
903
Propeller Shaft Runout
903
Driveline Vibration
903
Propeller Shaft Removal
904
Propeller Shaft Installation
904
Universal Joint Replacement
904
Universal Joint Angle
905
Measuring Universal Joint Angle
905
Front Axle Shift Motor
906
Vacuum Control System
906
Vacuum System Diagnosis
906
Shift Motor Function Test
906
Shift Motor and Housing Removal
907
Shift Motor and Housing Installation
908
Wheels and Tires
909
Tire Repair
909
Tire Rotation
909
Wheel Lug Nuts
910
Compact Spare Tire
910
Wheel and Tire Runout
910
Front Wheel Shimmy
911
Rear Axle Contents
913
Ring Gear Specifications
915
Pinion Depth Variance Chart
916
Propeller Shaft Runout Specifications
916
General Service Procedures
920
Axle Identification
920
Axle Lubricant Change
920
Axle Shaft
920
Axle Shaft Bearing and Retainer
921
Axle Shaft Installation
921
Bearing and Retainer Replacement
921
Axle Shaft Oil Seals
923
Pinion Seal
923
Oil Seal Replacement
923
Pinion Seal Replacement
923
Differential Removal/Installation
925
Rear Axle Assembly Removal
927
Rear Axle Assembly Installation
927
Standard Differential Overhaul
928
Standard Differential Components
928
Removal and Disassembly Procedures
929
Pinion Gear and Bearing Removal
929
Assembly and Installation Procedures
932
Pinion Gear Depth Adjustment
932
Depth Shim Computation Chart
935
Differential Case Runout Check
937
Differential Bearing Zero End Play Adjustment
937
Differential Case Assembly
938
Ring Gear Backlash Adjustment
938
Differential Bearing Preload Adjustment
940
Trac-Lok Differential Overhaul
941
Trac-Lok Differential Components
941
Universal Joint Angle Measurement
959
Universal Joints
960
Axle and Transfer Case Yokes
960
Suspension Contents
961
Specifications
963
Torque Specifications
963
Suspension Components
964
Front Suspension
964
Rear Suspension
964
Track Bars
964
General Information
964
Front Shock Absorbers
965
Rear Shock Absorbers
965
Front Shock Removal
965
Rear Shock Removal
965
Suspension Component Service
965
Stabilizer Bar
966
Rear Shock Installation
966
Stabilizer Bar Installation
967
Front Track Bar Removal
967
Track Bars
967
Front Springs
968
Front Track Bar Installation
968
Rear Track Bar Installation
968
Front Spring Removal
968
Rear Springs
969
Front Spring Installation
969
Rear Spring Removal
969
Suspension Component Service
970
Spring Bushing Replacement
970
Rear Spring Installation
970
Brake System Contents
971
General Diagnosis Information
976
Diagnosis Guides
976
Diagnosis Charts
976
Brake Diagnosis Guide
977
Brake System Service
984
System Components
984
Brake Fluid Level
984
Master Cylinder Removal
984
Master Cylinder Installation
986
Brake Booster Removal
986
Brake Booster Installation
987
Front Brake Pad Replacement
987
Brake Pad Removal
987
Brake Pad Installation
988
Front Brake Rotor Removal
990
Front Brake Rotor Installation
990
Front Brake Caliper Removal
990
Front Brake Caliper Overhaul
991
Front Brake Caliper Installation
993
Rear Brakeshoe Replacement
993
Rear Brakeshoe Removal
993
Rear Brakeshoe Adjustment
994
Rear Brakeshoe Installation
994
Initial Adjustment - Brake Drums Removed
995
Rear Wheel Cylinder Removal
996
Initial Adjustment - Brake Drums Installed
996
Final Adjustment
996
Rear Wheel Cylinder Overhaul
997
Rear Wheel Cylinder Installation
997
Parking Brake Adjustment
998
Parking Brake Cable Replacements
998
Rear Cable Removal
998
Rear Cable Installation
999
Front Cable Removal
999
Front Cable Installation
999
Parking Brake Pedal Removal
1000
Parking Brake Pedal Installation
1000
Brake Pedal Removal
1001
Brake Pedal Installation
1001
Brake Differential Valve
1002
Brake Bleeding
1002
Valve Service
1002
Valve Operation
1002
Brake Bleeding Sequence
1003
Pressure Bleeding Procedure
1003
Manual Bleeding Procedure
1003
Heating and Air Conditioning Contents
1005
Heating System
1010
Heater and Defroster Operation
1010
Fresh Air Ventilation
1011
Heating System Diagnosis
1011
Heating System Components
1012
Fresh Air Intake System Components
1013
Heater Control Panel
1014
Blower Motor and Air Door Motor Switches
1014
Vent Door Control Cables
1015
Heater Core and Housing
1016
Blower Motor
1016
Defroster Nozzle and Duct
1017
Fresh Air Door Vacuum Motor
1018
Fresh Air Intake Duct
1018
Air Conditioning System
1020
System Operation
1020
Refrigerant Safety Precautions
1026
Service Valves
1027
Pressure Gauge and Manifold
1029
Discharge Service Valve Adapters
1029
Connecting the Pressure Gauge and Manifold
1029
System Pressure Test
1030
Discharging the System
1030
Discharge Procedure
1030
Evacuating the System
1031
Evacuation with Vacuum Pump J 26695
1031
Evacuation with Portable Service Station J 23501-01
1032
Leak Testing
1034
Leak Testing with Electronic Detector J 21547
1034
Leak Testing with Halide Torch J 6084
1034
Flushing the System
1035
Leak Test Procedure
1035
Charging the System
1036
Charge Capacity
1036
Charging with Multi-Refrigerant Dispenser J 1272-02
1036
Charging with Service Station J 23500-01
1037
A/C Control Panel
1038
Fan Switch
1038
Temperature Control Thermostat
1038
Condenser
1039
Sight Glass
1039
Receiver-Dryer
1040
Evaporator and Housing
1040
Evaporator Housing and Components
1042
Expansion Valve
1043
Compressor Clutch
1044
Compressor Service
1046
Service Valve Leak Test
1046
Compressor Isolation
1046
Compressor Removal
1047
Compressor Installation
1047
Compressor Components
1049
Compressor Front Seal Replacement
1050
Cylinder Head, Valve Plate and Gasket
1054
Compressor Oil Level
1055
Oil Level Check-Procedures
1056
Accessories Contents
1059
Radio Removal/Installation
1061
Radio Speakers
1062
Speaker Removal
1062
Speaker Installation
1062
Radio Speaker Testing
1062
Standard Radio Antenna
1063
Antenna Tests
1063
Mast-To-Ground
1063
Tip of Mast-To-Tip of Conductor
1063
Body Ground-To-Battery Ground
1064
Body Ground-To-Coaxial Shield
1064
Electrical Procedure
1067
Regulator Adjustment
1068
Low Speed Switch (Engagement) Adjustment
1068
Parts Information
1069
SRT/TIC Information
1069
Filing Instructions
1069
Heater Core Hose Chafing
1071
Reposition
1072
Updated Windshield Wiper Position and Fog Lamp Aiming Specifications
1073
Brakes
1075
Parking Brake Cable Noise
1075
Alternator No-Charge
1077
Idle Speed Variation
1079
New Crankshaft Rear Main Bearing Oil Seal
1081
Altitude Performance Adjustments
1085
Idle/Decel Switch
1091
Engines
1096
No Start Condition When Hot
1096
Engine Compartment Splash Shields
1100
Front Splash Shields
1100
Air Intake Deflector Installation
1101
Footman Loop Nuts and Air Cleaner Grommets
1102
Gearboxes
1104
Underbody Noise
1104
Clearance Check
1104
Skid Plate/Rear Crossmember Replacement
1105
Idle Speed
1106
Adjustment Procedures
1106
Ignition Timing
1106
Fast Idle Speed
1107
Curb Idle Speed and Sole-Vac Throttle Positioner
1108
Update and Revisions to Workshop Manual
1111
Mercon Transmission - Transfer Case Fluid
1114
2.5L Crankshaft
1115
2.5L Valve Springs
1115
Valve Spring Compressor
1115
Emission Maintenance Timer and Indicator Light
1116
Emission Maintenance Timer Service
1116
Emission Maintenence Timer Replacement
1116
6-Cylinder Starter Motor
1117
Starter Motor - 6-Cylinder Engine
1117
Starter Service Information
1118
Starter Motor and Solenoid Specifications
1119
Cold Cranking Specifications
1119
Starting System Diagnosis
1120
Starter Removal
1121
Starter Installation
1121
Starter Testing
1121
Starter No-Load Test
1122
No-Load Test Analysis
1123
Armature Runout
1124
Starter Overhaul
1125
Starter Disassembly
1125
Starter Cleaning and Inspection
1128
Starter Assembly
1129
Model 231 Transfer Case
1134
Operating Ranges
1134
Two-Wheel Drive Operation
1134
Four-Wheel Drive Operation
1134
General Specifications
1135
Shift Mechanism
1135
Transfer Case Diagnosis
1137
Transfer Case Service
1138
Front Yoke Seal Replacement
1139
Extension Housing Seal and Bushing Replacement
1140
Speedometer Seal Replacement
1141
Transfer Case Fluid
1142
Altitude Performance Adjustment
1144
Modifying Low Altitude Model for High Altitude Operation
1149
Modifying High Altitude Model for Low Altitude Operation
1150
1983-1986 Oil Filter Application Chart
1152
Engine Coolant/Oil Leak Detection
1161
Emission Maintenance Revision
1163
Clutch Hydraulic System Diagnosis
1164
Transfer Case Shuft Sleeve Usage
1166
Steering and Front Axle
1167
Power Steering Gear Service Update
1167
Ball Plug Leak Test
1167
Checking 4-Wheel-Drive Engagement
1168
4.2 Liter Revised Cylinder Head Cover
1169
Flex Plate Trigger Wheel Service
1171
New Shift Lever Installation Tool
1172
Distributor Alignment Flange Breakage
1174
Steering Column
1176
Cruise Control/Turn Signal/Wiper Lever Service
1176
Lever Removal - with Cruise Control
1176
Lever Installation - with Cruise Control
1178
Lever Removal - Without Cruise Control
1178
Lever Installation - Without Cruise Control
1178
Improved Manifold Clamp Washer for 4.2L I-6 Engine
1179
New Rear Output Shaft Seal
1181
New Front Wheel Bearing Replacement Procedures
1183
Tool Set
1184
Hub and Bearing Carrier Removal - Jeep Models
1186
Hub and Bearing Carrier Removal - Eagle Models
1186
Bearing Removal
1186
Bearing Installation
1189
Hub and Bearing Carrier Installation - Eagle Models
1191
Hub and Bearing Carrier Installation - Jeep Models
1191
Front Axle
1193
Drive Shaft Boots
1193
New Front Output Shaft Seal
1194
T.C. 207 Contents
1199
Identification
1202
Shift Linkage
1206
Transfer Case Fluid Level
1207
Overhaul
1208
Transfer Case Disassembly
1210
Annulus and Planetary Gear Disassembly
1214
Bearing Replacement
1214
Mainshaft Pilot Bearing
1214
Input Gear Bearings
1215
Front Output Shaft Bearings
1215
Drive Sprocket Bearings
1216
Mainshaft Rear Bearing
1218
Extension Housing Bushing
1218
Mainshaft Assembly
1219
Annulus and Planetary Gear Assembly
1219
Transfer Case Assembly
1220
T.C. 231 Transfer Case Contents
1229
Transfer Case Components
1257
Automatic Transmission Overhaul Contents
1260
Transmission Specifications
1267
Thrust Washer Chart
1269
Transmission Disassembly
1270
End Play Measurement
1270
Oil Pan Removal
1270
Accumulator Piston and Spring Removal
1271
Adapter Housing - Rear Bearing and Seal
1271
Governor - Governor Support
1271
Oil Pump and Reaction Shaft Support
1272
Front Band and Front Clutch
1272
Input Shaft and Rear Clutch
1272
Output Shaft - Planetary Gears
1272
Overrunning Clutch
1273
Front Servo Removal
1273
Subassembly Overhaul
1274
Rear Servo Removal
1274
Valve Body with Lock-Up
1274
Check Ball Size Chart
1285
Valve Body Without Lock-Up
1289
Valve Body Hydraulic Control Pressure Adjustments
1302
Throttle Pressure Adjustment
1303
Accumulator Piston and Spring - Inspection
1303
Adapter Housing Bearing and Seal Replacement
1303
Park Lock Sprag
1304
Oil Pump and Reaction Shaft Support - 900 Series
1306
Pump Bushing Replacement
1308
Reaction Shaft Bushing Replacement
1309
Oil Pump and Reaction Shaft Support - Model 727
1311
Front Clutch - 900 Series
1316
Retainer Bushing Replacement
1318
Front Clutch - Model 727
1320
Retainer Bushing Replacement - Model 727
1322
Rear Clutch - 900 Series
1324
Rear Clutch - Model 727
1327
Input Shaft Bushing Replacement - Model 727
1328
Planetary Gear Assembly - 900 Series
1331
Planetary Gear Assembly - Model 727
1335
Cam Replacement - 900 Series
1339
Cam Replacement - Model 727
1341
Front Servo
1342
Rear Servo
1344
Transmission Assembly
1345
Rear Band - 900 Series
1346
Rear Band - Model 727
1347
Planetary Gear Assembly and Output Shaft
1349
Front and Rear Clutch Assemblies
1349
S00 Series
1349
Front Band
1350
Thrust Washer Chart — Model 727
1351
Governor and Park Gear
1352
Output Shaft Bearing and Adapter Housing
1352
Valve Body and Accumulator Piston
1353
BA 10/5 Manual Transmission Contents
1357
Rear Case Removal and Disassembly
1368
Intermediate Case and Fifth Gear Assembly Removal
1369
Front Case Disassembly
1371
Input Shaft-Mainshaft Disassembly
1374
Shift Fork, Rail and Detent Ball Removal
1376
Shift Fork, Rail and Detent Ball Installation
1378
Shift Component Location Chart
1379
Input Shaft-Mainshaft Assembly
1382
Cluster Gear Bearing Preload Adjustment
1386
Front Case Assembly
1389
Intermediate Case and Fifth Gear Installation
1392
Intermediate Shaft End Play Adjustment
1394
Rear Case Installation
1397
Component Service Manual Revisions
1398
Fifth-Speed Gear Removal and Installation (2WD)
1399
4.0L/4.2L Engine Overhaul Contents
1405
Engine Identification Information
1407
Cylinder Head Assembly Components - 4.0L
1408
Cylinder Head Assembly Components - 4.2L
1410
Cylinder Block Components - 4.0L/4.2L
1412
Code Letter Explanation
1414
Oversize or Undersize Code Component Letter Explanation
1415
Engine Specifications - 4.0L
1422
Egine Specifications - 4.2L
1424
Cylinder Head Disassembly
1426
Hydraulic Valve Tappet Removal
1429
Valve Removal
1429
Valve Refacing
1430
Valve Seat Refacing
1430
Valve Stem Oil Deflector Replacement
1431
Valve Guide Replacement
1431
Valve Stem-To-Guide Clearance Measurement
1431
Preferred Method
1431
Valve Spring Tension Test
1432
Alternate Method
1432
Hydraulic Valve Tappet Disassembly
1433
Hydraulic Valve Tappet Assembly
1433
Water Pump Removal
1434
Fuel Pump
1434
Vibration Damper Removal
1434
Lubrication System Components - 4.0L/4.2L
1436
Oil Pump Gear End Clearance Measurement
1438
Oil Pump Gear-To-Body Clearance Measurement
1439
Oil Pump Assembly
1439
Connecting Rod and Piston Removal
1440
Crankshaft Removal
1440
Cylinder Bore Measurement
1441
Cylinder Bore Resurfacing
1441
Cylinder Block Disassembly/Assembly
1442
Piston Pin Removal
1442
Piston Pin Inspection
1442
Piston Pin Installation
1442
Piston Fitting - Micrometer Method
1443
Piston Fitting - Feeler Gauge Method
1443
Piston Ring Fitting
1444
Piston Ring Side Clearance Measurements
1444
Piston Ring Installation
1445
Crankshaft Installation
1446
Crankshaft End Play Measurement
1446
Main Bearing Description
1447
Bearing Insert Pairs
1447
Main Bearing-To-Journal Clearance Measurement
1447
Main Bearing Journal Diameter Measurement
1448
Main Bearing Fitting Chart
1449
Connecting Rod Installation
1451
Connecting Rod Bearings
1452
Connecting Rod Bearing Inspection
1452
Connecting Rod Bearing Installation
1452
Connecting Rod Bearing-To-Journal Clearance Measurement
1453
Side Clearance Measurement
1454
Connecting Rod Bearing Fitting Chart
1455
Camshaft Bearing Description
1457
Fuel Pump Installation
1460
Vibration Damper Installation
1460
Valve Installation
1460
Hydraulic Valve Tappet Installation
1462
Cylinder Head Bolt Tightening Sequence
1463
Throttle Body Fuel Injection System Contents
1469
Fuel Delivery System
1475
Electric Fuel Pump
1475
Fuel Filter
1475
Fuel Pressure Regulator
1476
Fuel Injector
1476
Ballast Resistor
1477
Fuel Contrrol System
1478
Electronic Control Unit (ECU)
1478
ECU Inputs
1478
Manifold Absolute Pressure (MAP) Sensor
1479
Coolant Temperature Sensor (CTS) 1S83-1985 1.4L
1479
Coolant Temperature Sensor (CTS) 1985 1.7L
1480
Manifold Air/Fuel Temperature (MAT) Sensor
1480
Intake Manifold Temperature (MT) Sensor 1981-1987 1.4L
1480
Coolant Temperature Sensor (CTS) and Air/Fuel Temperature (MAT) Sensor
1481
Knock Sensor 1985-1987 1.7L/1987 2.0L
1481
Oxygen Sensor 1.4L/1.7L
1482
Oxygen Sensor 2.0L/2.46L
1482
Battery Voltage
1482
Speed Sensor
1483
Starter Motor Relay
1484
Closed Throttle (Idle) Switch
1484
Wide-Open Throttle (WOT) Switch
1485
A/C Controls
1485
Transmission Gear Position Indicator
1485
Power Steering Pressure Switch 2.46L Engine
1485
Throttle Position Sensor (TPS) 2.0L/2.46L
1486
ECU Outputs
1486
System Power Relay
1486
Fuel Pump Control Relay
1487
A/C Compressor Clutch Relay
1489
Idle Speed Actuator (ISA) and Motor
1490
Ignition Power Module 1985-1987
1490
Ignition Control Module (ICM) 1983-1985 1.4L
1490
Vacuum Capsule 1983-1985 1.4L
1491
Load Swap Relay 2.46L Engine
1491
EGR Valve/Canister Purge Solenoid
1492
Modes of Operation
1493
Up-Shift Indicator Lamp (Manual Transmission)
1493
Cold Start Relay 1.7L Engine
1493
Ignition Switch on Mode
1493
Engine Start-Up Mode
1494
Engine Warm-Up Mode
1494
Deceleration Mode
1495
Wide-Open-Throttle Mode
1496
Ignition Switch off Mode
1496
1.4L 1983-1985
1497
Fuel Evaporative Control System
1498
TBI System Wiring Diagram
1499
Component Replacement
1500
Throttle Position Potentiometer
1501
Idle Speed Actuator Motor
1502
Canister Purge and EGR Valve Solenoids
1504
Coolant Temperature Sensor (CTS)
1508
Power (B +) Relay and Fuel Pump Relay
1508
Throttle Body Assembly
1509
Fuel Body Assembly
1510
Fuel Tank, Pump/Gauge Sending Unit
1511
Diagnostic Procedures
1512
Wire Harness Connectors
1515
ECU Conectors
1517
Trouble Code Test Lamp (1983 Models Only)
1518
Code Interpretation and Diagnosis
1520
Summary
1527
Manifold Air/Fuel Temperature (MAT) Sensor Test
1527
Wide Open Throttle (WOT) Switch Test
1528
Closed Throttle Switch Test
1529
ISA Motor Diagnostic Test
1529
ISA Motor Diagnostic Testing
1530
Manifold Absolute Pressure (MAP) Sensor Test
1531
Idle Speed Actuator (ISA) Motor Adjustment
1532
Wide Open Throttle (WOT) Switch Adjustment
1534
Fuel Pressure Regulator Adjustment
1534
1.4L 1986-1987/1.7L/2.46L
1536
Vacuum and Wiring Diagrams
1536
Fuel Evaporative Control System 1.4L
1536
Fuel Evaporative Control System 1.7L
1537
Fuel Evaporative Control System 2.46L
1538
1986 And 1987 1.4L Engine
1539
TBFI System Wiring Diagram - 1985 1.7L Engine
1540
1986 And 1987 1.7L Engine
1541
1986 And 1987 2.46L Engine
1542
Throttle Position Potentiometer 1.4L/1.7L Automatic Transmission
1545
Throttle Position Sensor (TPS) 2.46L Engine
1545
Idle Speed Actuator (ISA) Motor (Renault)
1545
Idle Speed Actuator (ISA) Motor (Jeep)
1547
Canister Purge/Egr Solenoid
1547
EGR Valve (Renault)
1548
EGR Valve (Jeep)
1549
Manifold Absolute Pressure (MAP) Sensor (Renault)
1550
Manifold Absolute Pressure (MAP) Sensor(Jeep)
1550
Electronic Control Unit (ECU) (Renault)
1551
Electronic Control Unit (ECU) (Wrangler/Yj)
1551
Electronic Control Unit (ECU) (Wagoneer/Cherokee/Comanche)
1552
Manifold Air/Fuel Temperature (MAT) Sensor (Renault)
1552
Manifold Air/Fuel Temperature (MAT) Sensor(Jeep)
1553
Coolant Temperature Sensor (CTS) (Renault)
1554
Coolant Temperature Sensor (CTS) (Jeep)
1554
Wide Open Throttle (WOT) Switch (Renault)
1556
Wide Open Throttle (WOT) Switch (Jeep)
1556
Power (B + ) Relay/Fuel Pump Relay/Compressor Clutch Relay
1557
Cold Start Relay
1558
Load Swap Relay 2.46L
1558
Throttle Body Assembly (Renault)
1559
Throttle Body Assembly (Jeep)
1560
Fuel Filter (Renault)
1563
Fuel Filter (Wagoneer/Cherokee/Comanche)
1563
Fuel Filter (Wrangler/Yj)
1564
Fuel Tank, Pump/Gauge Sending Unit (Renault)
1565
Sending Unit/Fuel Pump (Wagoneer/Cherokee/Comanche)
1566
Sending Unit/Fuel Pump (Wrangler/Yj)
1567
Quick-Connect Fuel Lines (1987 Vehicles)
1567
O-Ring Replacement
1568
ECU Connector 1985-1987 TBI System
1571
Component Diagnosis
1572
Manifold Air/Fuel Temperature Sensor
1579
Coolant Temperature Sensor (CTS) Test
1580
Coolant Temperature Sensor
1580
Closed Throttle (Idle) Switch Test
1581
ISA Motor Diagnostic Test
1582
2.46L Oxygen Sensor Heating Element Test
1585
Throttle Position Sensor Adjustment 2.46L
1590
Output Voltage Adjustment
1590
Throttle Position Sensor (TPS) Test - 2.46L
1591
MT Up-Shift Test
1592
2.0L Engine
1594
TBI System Vacuum Diagram
1594
Throttle Position Sensor (TPS)
1597
Quick-Connect Fuel Lines
1606
Diagnostic Connectors 2.0L (1987)
1609
ECU Connector
1610
Oxygen Sensor Heating Element Test
1624
Throttle Position Sensor
1628
Throttle Position Sensor (TPS) Test
1629
Hard Starting Condition
1631
Diagnosis Procedure
1631
Fuel Injector Replacement
1632
2.5L I-4 Engine Overhaul Contents
1639
Lubrication Specifications
1646
Date and Component Codes
1649
Oversize and Undersize Component Codes
1650
Engine Disassembly
1652
Intake and Exhaust Manifold Removal
1652
Valve Cleaning and Inspection
1653
Valve Stem Seal Replacement
1655
Valve Guides
1655
Valve Spring
1656
Hydraulic Valve Tappets
1658
Tappet Disassembly, Cleaning and Inspection
1658
Tappet Assembly and Leak-Down Test
1658
Cylinder Block
1659
Block Disassembly
1659
Oil Pump
1662
Pump Removal and Disassembly
1664
Gear End Clearance Measurement
1664
Gear-To-Body Clearance Measurement
1665
Crankshaft and Connecting Rods
1666
Pump Assembly
1666
Locking Tab Inspection
1667
Scoring Caused by Insufficient Lubrication
1668
Normal Main Bearing Wear Pattern
1668
Cylinder Bore Reconditioning
1669
Piston Pins
1669
Piston Fitting Methods
1671
Piston Rings
1672
Ring Gap Position
1675
Main Bearings
1677
Measuring Main Bearing-To-Journal Clearance with Plastigage
1678
Engine Assembly
1679
Measuring Main Bearing Journal Diameter with a Micrometer
1679
Main Bearing Fitting Chart
1680
Connecting Rods and Rod Bearings
1681
Connecting Rods
1681
Measuring Connecting Rod Bearing-To-Journal Clearance with Plastigage
1682
Camshaft Bearings
1685
Camshaft and Timing Chain Installation
1685
Timing Chain Tensioner Installation
1686
Cylinder Head and Cylinder Head Gaskets
1690
Valve Tappet Installation
1690
Intake and Exhaust Manifold Assembly
1693
Distributor Installation
1693
Final Assembly
1694
Electrical Troubleshooting (Wrangler Y/J)
1699
Wrangler /YJ Circuit Index
1701
Wrangler/Yj Contents
1701
Introduction
1702
How to Use the Manual
1702
Troubleshooting Charts
1702
Six-Step Troubleshooting Procedure
1702
Specific Definitions and Examples
1703
Voltmeter
1704
Ammeter
1704
Ohmmeter
1704
Jumper Wires
1704
Symbols
1705
Fuse Panel
1706
Fuse Panel Data
1706
Power Distribution - 2.5L Engine
1707
Power Distribution - 4.2L Engine
1708
Ground Distribution
1709
Engine Controls - 2.5L
1710
Engine Controls - 4.2L
1712
Starter
1713
Start Relay/Solenoid Coil
1713
Start Relay/Solenoid Starter Circuit
1714
Charging System
1715
Carburetor Circuits
1716
Tachometer
1717
Tachometer Illumination
1718
Cigar Lighter
1718
Rear Defogger
1720
Operational Check
1721
Seat Belt/Ignition Key Warning Buzzer
1722
Wiper/Washer
1724
Windshield Wipers Inoperative
1725
Windshield Washer
1726
Heater
1726
Radio
1728
Radio Inoperative
1729
Noisy Reception
1729
Noisy Speaker
1729
Air Conditioning
1730
Noise that Changes with Engine Speed
1730
Memory Does Not Operate
1730
Digital Display Does Not DIM
1730
Blower Inoperative
1731
Compressor Clutch Inoperative
1731
Gauge Package
1732
Gauge Package Inoperative
1733
Clock
1733
All Gauges Inoperative
1733
One Gauge
1733
Cruise Control
1735
Operational Check (Road Test)
1736
AM PC-1 Cruise Control Tester
1736
No Lamps on
1736
Lamp No. 1 Off/Set Switch
1736
Lamp No.2 Off/Cruise Switch and Speed Sensor
1737
Lamp No.3 Off/ Brake and Clutch Switch Circuits
1737
Lamp No.s 5 and 6 Off/Resume and Accelerate
1737
Engine Running Test
1737
Indicator Lamps
1738
All Lamps out
1738
One Lamp out
1738
Command Trac Lamp out
1739
Upshift Lamp out
1739
Brake Lamp out
1739
Instrument Panel Illumination Lamps
1740
Gauge Package Lamps out
1741
Lamps: Turn Signal/Stop/Hazard/Backup
1742
Flasher Circuit
1743
Turn Signal Indicator Lamps
1743
Lamps: Head/Tail/Sidemarker/Fog/Park
1746
Headlamps
1748
Underhood Lamp
1748
Lamps: Cargo/Courtesy
1749
Component Location List
1750
Component Connector Views
1751
Engine/Engine Control - 2.5L
1755
Engine/Engine Control - 4.2L
1756
Front Lighting
1757
Battery/Starter - 2.5L
1758
Battery/Starter - 4.2L
1759
Body/Roof
1761
Transmission
1762
Electrical Troubleshooting (Wrangler 1988)
1767
4WD Lamp out
1810
Turn Signal Lamps
1814
Stop Lamps
1815
Hazard Lamps
1815
Backup Lamps
1816
Tail/Sidemarker/Park Lamps
1818
Fog Lamps
1818
Single Pin Connectors
1829
Harness Routing Views
1830
Wrangler Wiring Diagrams
1843
Circuit Index
1843
Component Zone Locations
1843
Wire Color Codes
1844
Harness Codes
1844
Starter - 2.5L
1845
Power Distribution - 4.2L
1848
Diagnostic Connectors - 2.5L
1877
Diagnostic Connectors - 4.2L
1878
Seat Belt/Ignition Key Warning
1884
Key Warning Buzzer
1885
Starter - 4.2L
1887
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