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30 1971 Series
Chevrolet 30 1971 Series Manuals
Manuals and User Guides for Chevrolet 30 1971 Series. We have
1
Chevrolet 30 1971 Series manual available for free PDF download: Chassis Service Manual
Chevrolet 30 1971 Series Chassis Service Manual (467 pages)
Brand:
Chevrolet
| Category:
Trucks
| Size: 20.47 MB
Table of Contents
Index
2
Engine Electrical
2
General Information and Lubrication
3
Engine Number
4
Unit a N D Serial Number Locations
4
Service Parts Identification Plate
4
Battery
4
Keys and Locks
5
Pushing, to Start Vehicle
5
Towing
5
Four Wheel Drive Trucks
5
Engine-Vehicle Availability
6
Load Capacity Chart Interpretation
7
Lubrication (Incl. Engine Fuel) and Maintenance
9
Supplemental Engine Oil Additives
10
Checking Oil Level
10
Engine Oil Change Interval
10
Engine Oil Filter Replacement
10
Oil Bath Type
11
Flame Arrestor
11
Evaporation Control System
11
Electrical System
12
Distributor
12
Starting Motor
12
Headlight Aiming
12
Fuel System
13
Inline Filter
13
Fuel Strainer
13
Fuel Pump
13
Automatic Transmissions
14
Rear Axles
14
Powerglide Transmission
14
Brakes
14
Brake System Warning Light
15
Wheel Bearings
15
Steering
15
Standard Steering
15
Suspension
16
Transfer Case
16
Speedometer Adapter
16
Body Lubrication
16
Heater and Air Conditioning
19
Heater Air Flow Schematic
19
Controls
20
Blower Assembly
20
Auxiliary Heater
23
Air Conditioning
25
Four-Season System
25
Temperature Lever
26
Roof Mounted System
27
Air Control Lever
27
Defroster
27
Fan Switch
27
General Information
30
Inspection and Periodic Service
34
Compressor Oil
34
Pre-Delivery Inspection
34
Compressor Serial Number
34
P E R Io D IC S E R V IC
34
Performance Data
35
Four-Season Air Conditioning
35
Roof Mounted Air Conditioning
35
Thermostatic Switch
36
Checking for Proper Operation
36
Expansion Valve
37
Valve Stuck Open
37
Engine Idle Compensator
38
Purging the System
38
Filling Charging Cylinder
38
Refrigerant Quick-Check Procedure
40
Checking Oil
40
Checking Compressor Oil Charge
40
Repair of Refrigerant Leaks
42
Refrigerant Hose Failure
42
Compressor
43
Receiver-Dehydrator
44
Condenser
44
Compressor Belt Tension Adjustment
44
Sight Glass Replacement
44
Evaporator Core
45
Heater Case
46
Poa Valve
48
Control Assembly
49
Blower Motor Switch
49
Blower M Otor Relay
50
Anti-Dieseling Relay
50
Compressor Clutch Switch
50
Blower Resistor Unit
50
Kick Panel Air Valve
51
Plenum Air Valve
51
Blower Motor Assemblies
53
Rear Duct
53
Wiring Diagrams
59
Special Tools
62
Body
63
Component Parts Replacement
63
Body Mounting
63
Body Sealing
63
Front End
64
Windshield Glass
64
Checking Windshield Opening
65
Outside Rear View Mirror
66
Instrument Panel Compartment and Lock
66
Instrument Panel Cover Assembly
66
Cowl Ventilator Grille
67
Cowl Air Ventilator Valve Assembly
67
Windshield Wipers
67
Arm Adjustment
68
Liftgate Assembly
70
Tailgates (Endgates)
70
Hinge Assembly
70
Endgate Assembly
71
Outside Handle
71
Hinges
71
Push Button Assembly
72
Endgate Centerlock
72
Endgate Side Lock
72
Front Door Assembly
72
Door Ventilator Assembly
74
Ventilator Glass Replacement
75
Door Window Assembly
76
Window Regulator Replacement
76
Door Opening Weatherstrip
76
Door Locks
76
Front Door Lock Cylinder Assembly
77
Front Door Lock Remote Control and Connecting Rod
77
Remote Controls
78
Rear Door
79
Rear Doors Latch & Controls
79
Panel and Suburban Trucks
80
Seats
81
Care and Cleaning of Interior Soft Trim
81
Cleaning Fabrics with Cleaning Fluid
81
Rem Oval of Specific Stains
82
Chewing Gum
82
Catsup
82
Paste or Wax Type Shoe Polish
82
Blazer
83
Vomitus
83
Seat And/Or Seat Adjuster
83
Specific Repairs
84
Scratched Panels, Spot Refinishing
84
Cracked Panels
85
Applying Resin to Fiberglass
85
Typical Scratched Panel
85
Typical Pitted Panel
86
Typical Cracked Panel
86
Liftgate Hinge
86
Liftgate Control Assembly
87
Door Opening Cover Plate
87
Fractured Panels
87
Liftgate Latch Control Assembly
89
Right-Hand Latch
89
Tail Gate
89
Front Passenger Seats
90
Doors
90
Driver Seats
90
Step-Van Body
91
Engine Housing
91
Windshield Wiper Adjustment
91
Installing Sliding Glass
92
Installing Stationary Glass
92
Driver's Window Sliding Glass
93
Driver's Window Stationary Glass
93
Frame
97
Frame Alignment
97
Vehicle Preparation
97
Tramming Sequence
97
Vertical Check
98
Frame Repair
98
Welding
98
Bolting
98
Front Suspension
101
Front End Alignment
102
Caster
102
Lower Control Arm Assembly
105
Camber Caster Chart
105
Camber Caster Shims
105
Ball Joint— Inspection
106
Wheel Hub and Bearings
106
Upper Control Arm Assembly
108
Checking Lower Ball Joint
108
Removing Control Arm Bushing
108
Steering Knuckle
109
Ball Joint Replacement
109
Bushing Replacement
109
Crossmember and Suspension Unit
110
Four Wheel Drive
111
Ball Joint Adjustment
111
Free Wheeling Hub
112
Front Axle Assembly
115
Removing Steering Arm Nuts
115
Removing Ball Socket Retaining Nut
116
Loosening Ball Stud Adjusting Sleeve
116
Torquing Upper Bail Socket Nut
117
Installing Spindle and Thrust Washer
117
Special Tools- 2 Wheel Drive
118
Rear Suspension and Drive Line
121
Tie Rod Installation
122
Auxiliary Spring
125
Leaf Springs
125
Drive Line
126
Rear Axle
126
Shackle Replacement
126
Axle Vent
131
Axle Shaft
131
Oil Seal And/Or Bearing (Except 5500 Lb. Dana)
132
Brake Flange Backing Plate
132
Axfe Shaft Installation
133
Wheel Bolt Replacement
133
Positraction Differential Unit
135
Axle Assembly
135
On-The-Vehicle Check
135
Hub and Drum (Figs. 33, 34)
137
Bearing Cup
138
Installing Hub Inner Bearing Cup (Typical)
138
Removing Hub Inner Bearing Cup
138
Drum Demountable-Type
139
Drum Non-Demountable-Type
139
Wheel Bolt
139
Hub Stud
140
Oil Seal Sleeve and Bearing Thrust Spacer
140
Wheel Hub Oil Seal
140
No-Spin Differential Unit
141
Propeller Shaft and Universal Joints
142
Center Support Bearing
143
Constant Velocity Universal Joint
144
Disc Brakes Front
149
Drum Brakes Rear
149
Bleeding Hydraulic System
150
Pressure Bleeding
150
Main Cylinder Mounting
151
Rear Drum Brake
151
Front Disc Brake
151
Hydraulic Brake Line
152
Hydraulic Brake Tubing
153
Single and Double Lap Flare
154
Flaring Operation
154
Positioning Tube
154
First and Second Flare
154
Component Replacement and Repair
155
Brake Shoe and Lining
155
Caliper Explode
156
Caliper Overhaul
157
Installing Shoe to Caliper
157
Installing Support Spring
157
Fitting Shoe to Caliper
157
Installing Boot to Caliper
158
Installing Boot to Piston
158
Rear Brakes
158
Disc Refinishing
159
Brake Adjuster Access Hole
159
Unhooking Pull Back Spring
159
Minimum Requirements
159
Drum Rear Brakes
160
Light Scoring
160
Checking Lateral Runout
160
Brake Drums, Shoes and Linings
160
Installing Pull Back Spring
161
Checking Actuating Lever
161
Brake Drum Refinishing
163
Anchor Pin Replacement
163
Wheel Cylinder
163
Main Cylinder
164
Wheel Cylinder Repair
164
Wheel Cylinder - Explode
164
Main Cylinder Component Replacement
165
Rubber Parts
165
Frame Mounted Booster Main Cylinder
167
Brake Pedal - Service Brake
168
Bench Bleeding Main Cylinders
168
Brake Pedal & Push Rod Travel Adjustment
168
Parking Brake-Rear Wheel
169
Brake Pedal Free Movement
169
If Switch Circuit Is Closed
170
Parking Brake Adjustments
170
Parking Brake-Propeller Shaft
171
Foot Pedal Type
171
Orscheln Lever Type
171
Internal Expanding Brake Components
172
Combination Valve
172
Warning Switch
173
Proportioning Valve
173
Brake Warning Light Checking
173
Testing Warning Switch
173
Retracting Self Adjusters Brake Shoe and Self Adjuster Assembly
174
Measuring Point's for Shoe Centering
175
Positioning Actuator Lever
175
Power Brakes
177
Bleeding Inspections
177
Air Cleaner Service
177
Engine
179
Engine Tune-Up
179
Spark Plug Removal
179
Test Compression
179
Checking Compression
180
Service & Install Spark Plugs
180
Spark Plug Detail
180
Service Ignition System
180
Cleaning and Inspecting Distributor Cap, Rotor & Coii
181
Service Battery and Battery Cables
182
Point Alignment
182
Checking Belt Tension
183
Manifold Heat Control Valve (in Line)
183
Service Fuel Lines and Fuel Filter
184
Service Cooling System
184
Service Crankcase Ventilation
184
Instrument Check-Out
185
Instrument Hook-Up
185
Check and Adjust Dwell
185
Check Dwell Variation
186
Check and Adjust Ignition Timing
186
Adjust Idle Speed and Mixture
186
Idle Speed and Mixture Screws
187
Additional Checks and Adjustments
189
V8 Firing Order
189
Cranking Voltage
189
Ignition Switch
190
Distributor Resistance
190
Secondary Resistance
190
Ignition Output and Secondary Leakage
190
Cylinder Head Torque and Valve Adjustment
191
Engine Mechanical
192
In-Line Engines
192
Engine Assembly
192
Rocker Arm Cover
194
Manifold Assembly
194
Valve Mechanism
194
Locating Noisy Lifters
195
Valve Lifters
195
Valve Adjustment
195
Compressing Valve Spring
195
Valve Stem Oil Seal And/Or Valve Spring
196
Cylinder Head Assemblies
196
Oil Pump
197
Oil Pan
197
Oil Seal (Rear Main)
197
Torsional Damper
198
Removing Torsional Damper
198
Installing Torsional Damper (D Rive on Type)
198
Crankcase Front Cover
199
Oil Seal (Front Cover)
200
Camshaft
200
Timing Gears
201
Flywheel
201
Engine Mounts
202
Front Mount Replacement
202
Rear Mount Replacement
202
Exhaust Manifold
206
Intake Manifold
206
Cylinder Head Assembly
208
Engine Cooling
219
Radiator Pressure Cap
219
Water Pump— Typical L6
219
Coolant Level
220
Periodic Maintenance
220
Coolant System Checks
220
Reverse Flushing
221
Radiator
221
Radiator Cap
221
Heater Core
221
Replacing Thermostat
222
Engine Fuel
223
Carburetors
223
Table of Contents
223
Preliminary Checks
223
Choke Rod Adjustments
224
External Adjustment (also See below Additional External Settings and Adjustments)
224
Choke Unloader Adjustment
225
Choke Coil Rod Adjustment
226
Air Valve Dashpot Adjustment
228
Accelerator Pump Rod Adjustment
228
Fast Idle Adjustment
228
Choke Rod Adjustment
228
Preliminary Idle Speed Screw Adjustment
231
Secondary Throttle Link Adjustment
231
Removal
231
Test before Installation
232
Carburetors
232
Fuel Filter Maintenance
233
On-The-Vehicle Adjustments
233
Choke Coil Replacement
233
Automatic Choke Coil Assemblies
233
Additional External Settings and Adjustments
233
Accelerator and Choke Controls
234
Throttle Rod Kick down Linkage Adjustment
234
Throttle Linkage Adjustment
234
2G Engine Governor
236
Control Valve
236
Trouble Shooting
238
Air Cleaners
239
Element Replacement
240
Inspecting Paper Element
240
Cleaning Oil Bath Cleaner
240
Checking Thermostatic Element
240
Thermostat Replacement
241
Thermostatically Controlled Air Cleaner
242
Temperature Sensor Replacement
243
Vacuum Motor Replacement
243
Emission Control Systems
247
Positive Crankcase Ventilation
247
Controlled Combustion System
247
Evaporation Emission Control
247
Combination Emission Control System Schematic
248
Engine Electrical
251
Battery
251
Periodic Servicing
252
Level Indicator
252
C O M M O N C Auses O F F a I L U R
252
E le C Tro Ly te L E V E
252
Safety Precautions
253
Charging Procedures
253
Water Usage
253
Charging Lead Adapters
254
Testing Specific G Ravity (Typical)
254
Charging Guide
255
Visual Inspection
255
Instrument Test
255
F U Ll Charge H y D Ro M E te R T E S
255
L O Ad T E S
255
Installing Batteries
256
Specific G Ra V Ity R E a D in G
256
In S Ta Llin G B a T T E R
256
Charging Systems
257
Static Checks
259
System Condition Test
259
Adjust Voltage Setting
259
Voltage Setting Test Connection
259
Adjusting Regulator Voltage
260
Delcotron Diode and Field Test
260
Indicator Lamp/Initial Field Excitation Circuit Tests
261
Field Relay Checks and Adjustment
262
Closing Voltage Adjustment
262
Field Circuit Resistance Wire Checks
262
Component Part Replacement
263
Generator Pulley Replacement
263
Single Groove Pulley
263
Double Groove Pulley
263
Double Contact Regulator Replacement
264
Ignition Systems
265
Periodic M Aintenance
265
Distributor Contact Points
265
Setting Dwell Angle
266
Six Cylinder Engine Distributor
266
Eight Cylinder Engine Distributor
267
Top View of Distrbutor
267
Distributor Lead Arrangem Ent
267
Distributor Condenser
268
Performance Diagnosis
268
Spark Plug and Wire Service
271
Spark Plug Cleaning
272
Adjusting Spark Plug Gap
272
Starting System
273
Installation of Spark Plugs
273
Installation of Spark Plug Wires
273
Resistance Checks
274
M a Inte Na Nce and a D J U S T M E N T
274
L U B R IC a T Io
274
R E S Is tan C E C H E C K
274
Starting M Otor a N D Solenoid Check
274
Starter Motor
275
C Om Ponent P a R T R E P Lac E M E N
275
R E M O V a L and in S Ta Lla Tio
275
Clutches & Transmissions
277
Clutch Controls
277
General Description
277
Clutch Free Pedal Travel Adjustment
278
Insufficient Clutch Release
278
Clutches
280
Diaphragm Spring Clutch
280
Service Operations
281
Clutch Assembly
281
Coil Spring Clutch
282
Manual Transmissions
283
Transmission Linkage Adjustment
283
Aluminum Powerglide
289
Oil Level Check
289
Periodic Oil Change
289
Periodic Low Band Adjustment
290
Manual Shift Linkage Check & Adjust
290
Throttle Valve Linkage Adjustment L-6 Models
291
Neutral Safety Switch Adjustment
291
Throttle Return Check Valve
291
Transmission Replacement
292
Shop Warm up
293
Road Warm up
293
Checking Fluid Level and Condition
293
Oil Leaks
294
Basic Pressure Checks
294
Truck Shift Points-Pow Erglide
295
Turbo Hydra-Matic 3 5 0 Transmission
296
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