GMC 1975 ZEO 6581 Manuals

Manuals and User Guides for GMC 1975 ZEO 6581. We have 1 GMC 1975 ZEO 6581 manual available for free PDF download: Maintenance Manual

GMC 1975 ZEO 6581 Maintenance Manual (852 pages)

Brand: GMC | Category: Motorhomes | Size: 79.48 MB

Table of Contents
2
Vehicle Identification
2
Component Identification
3
Hoisting Instructions
3
Jack Usage Instructions
4
Towing Vehicle
5
Engine, Chassis, and Body Maintenance Schedule
7
Explanation of Maintenance Schedule
8
Recommended Fluids and Lubricants
12
Lubrication Details
13
Winterization and Vehicle Storage
17
Body
19
Dust and Water Leaks
20
Painting
21
Glass
22
Windshield Wiper System
31
Entrance Door
34
Access Doors
36
Lap Belt Maintenance
37
Floor
37
Body
39
Fiberglass Repair
42
Sheet Metal Repair
42
Seats
42
Mirrors and Sun Visor
43
Radiator Grille
44
End Cap
44
Special Tools
45
General Information
68
Inspection and Periodic Service
73
Evacuting and Charging Procedures
74
Refrigerant Quick Check Procedure
78
Maintenance and Adjustments
79
General Repair Proceduces and Component Replacement
80
Compressor Minor Overhaul Procedures
89
Compressor Major Overhaul Procedures
97
Air Conditioning Diagnosis
115
Vacuum Control Charts
122
Special Tools
122
Theory and Operation
134
General Description
135
Disc Hub Assembly
140
Disc
140
Knuckle Seal
140
Knuckle
140
Upper Control Arm
142
Upper Control Arm Bushing
142
Lower Control Arm
143
Lower Control Arm Bushing
144
Ball Joint
145
Ball Joint Checks
145
Lower Control Arm Ball Joint
146
Upper Control Arm Ball Joint
146
Stabilizer Bar
147
Shock Absorber
147
Torsion Bar
148
Crossmember Support
148
Ride Height
148
Front End Alignment
149
Alignment Adjustment
149
Torque Specifications
152
Trouble Diagnosis
188
Component Removal
190
Compressor Overhaul
197
Height Control Valve Overhaul
205
Component Installation
210
On-Vehicle Adjustments
216
Periodic Maintenance
218
Rear Suspension Torque Specifications
219
Brake System Trouble Diagnosis
223
On-Vehicle Servicing
233
Component Removal
236
Component Overhaul
244
Major Component Inspection
256
Component Installation
259
Specifications
265
Torque Specifications
265
General Information
267
Description
267
Engine Maintenance and Storage
267
Engine Lubrication System
267
Engine Diagnosis
268
In-Vehicle Service Operations
291
Oil Filter
291
Front Engine Mounts
293
Rear Engine Mounts
293
Intake Manifold
294
L.h . Exhaust Manifold
297
Valve Cover
298
Rocker Arm Assemblies
299
Valve Lifters
299
Cylinder Head and Gasket
302
Valves and Springs with Head Removed
303
Valve Guide Bores
305
Replacing Valve Spring (Head on Engine)
306
Oil Pan
307
Oil Pump
307
Connecting Rod and Piston Assembly
309
Rod Bearings
309
Piston
310
Checking Cylinder Bore
312
Rings
312
Rod and Piston Assembly
313
Piston Pins
313
Crankshaft Pulley
313
Belt Tension
314
Harmonic Balancer
314
Front Cover Oil Seal
315
Front Cover
315
Timing Chain and Gears
317
Engine Replacement
318
Out of Vehicle Service Operations
322
Camshaft
322
Camshaft Bearings
323
Crankshaft
324
Main Bearings
324
Main Bearing Replacement
325
Rear Main Bearing Upper Oil Seal
326
Engine Specifications
328
P.C.V. System Testing
372
Instruction for Testing P.C .V . Valve
372
Controlled Combustion System (C .C .S .)
373
Purpose
373
Operation
374
Diagnosis
374
Vacuum Motor Replacement
375
Sensor Replacement
375
Exhaust Manifold Shroud
376
Evaporation Control System (E .C
376
Thermal Vacuum Switch (T .V .S .)
376
Description
376
Operation
376
Functional Check
377
Evaporation Control System (E .C .S)
523
Trouble Diagnosis
524
Servicing E.C .S
525
Canister(S)
525
Canister Filter
525
Hoses and Lines
525
Liquid/Vapor Separator
525
Fuel Tanks and Lines
526
Description
526
Draining Fuel Tanks
526
Fuel Tank Replacement
526
Fuel Tank Gauge Replacement
526
Cleaning Fuel Systems
529
Fuel Line Repair Procedure
530
Fuel Tank Purging Procedure
530
Fuel Tank Leak Test Procedure
530
Exhaust System
531
Description
531
Maintenance
531
Steering Linkage
533
Power Steering Pump
536
Steering Gear
554
Steering Column
573
Torque Specifications
594
General Description
596
Tire Traction
596
Tread Wear
597
Maintenance
597
Freezing of Nut
597
Tire Rotation
598
Inflation of Tires
598
Wheel and Tire Balancing
599
Mounting
600
Demounting
602
Wheel and Tire Inspection
602
Instruments and Gauges
606
Component Replacement
607
Printed Circuits
613
Gauge Cluster
614
Gauge Diagnosis Details
615
Low Fuel Indicator Circuit
619
Miscellaneous
619
Wiring
623
Left-Side Body Wiring
624
Front Wiring
624
Instrument Panel Wiring
624
Steering Column Wiring
625
Rear Body Wiring
625
Trailer Wiring
625
Headlamp Adjustment
627
Fiber Optic Ribbon
630
Headlight Switch
633
Dimmer Switch
633
Horn
633
Component Replacement
634
Radio and Tape Player
634
Radio and Tape Diagnosis
636
Servicing
636
Cruise Control
641
General Description
641
Diagnosis
645
Servicing
645
Engagement Switch
647
Servo
647
Transducer
647
Electrical System Check out
648
Engagement Switch Test
649
Description
651
Maintenance
651
Coolant Recovery System
653
Engine Coolant
654
Cooling System Pressure Relief Valve
655
Torque Specifications
655
General Information
678
Engine
686
Oil System
698
Starting System
707
AC Generator
718
Draining Living Area Water System
794
On-Vehicle Adjustment
796
Water Tank Sending Unit
798
Bathroom Sink Faucet
812
Shower Head and Hose
814
Winterization
818
Wiring Diagrams
850

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GMC 1975 ZEO 6581 Maintenance Manual (852 pages)

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