Reporting Safety Defects to
General Motors
In addition to notifying NHTSA (or Transport
Canada) in a situation like this, we certainly hope
you’ll notify us. Please call us at 1-800-862-4389,
or write:
GM Medium Duty Truck
Customer Assistance Center
P.O. Box 44947
Detroit, MI 48244
In Canada, please call us at 1-800-263-3777
(English) or 1-800-263-7854 (French). Or, write:
General Motors of Canada Limited
Customer Communication Centre, CA1-163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
Service Publications Ordering
Information
Service Manuals
Service Manuals have the diagnosis and repair
information on engines, transmission, axle
suspension, brakes, electrical, steering, body, etc.
Transmission, Transaxle, Transfer
Case Unit Repair Manual
This manual provides information on unit
repair service procedures, adjustments, and
specifications for GM transmissions, transaxles,
and transfer cases.
Service Bulletins
Service Bulletins give technical service
information needed to knowledgeably service
General Motors cars and trucks. Each bulletin
contains instructions to assist in the diagnosis
and service of your vehicle.
In Canada, the service bulletin reference number
can be obtained by contacting your General
Motors dealer or by calling 1-800-GM-DRIVE
(1-800-463-7483). This reference number is
needed to order the service bulletin
from Helm, Inc.
RETAIL SELL PRICE: $6.00 US +
Processing Fee
415
A
Accessory Power Outlet(s).......................... 156
Adding a Snow Plow or Similar
Equipment................................................ 240
Adding Equipment to Your Airbag-Equipped
Vehicle....................................................... 81
Additives, Fuel............................................ 252
Add-On Electrical Equipment....................... 340
Air Cleaner/Filter, Engine............................. 280
Air Conditioning........................................... 157
Air Conditioning System.............................. 320
Air Pressure Gage...................................... 183
Air Shift Control........................................... 114
Air Suspension............................................ 129
Air Suspension Seats.................................... 13
Airbag
Off Light.................................................. 166
Readiness Light....................................... 165
Airbag Sensing and Diagnostic
Module (SDM).......................................... 409
Airbag System............................................... 68
Adding Equipment to Your
Airbag-Equipped Vehicle......................... 81
Airbag Off Switch....................................... 76
How Does an Airbag Restrain?.................. 73
Servicing Your Airbag-Equipped Vehicle..... 80Airbag System (cont.)
What Makes an Airbag Inflate?.................. 73
What Will You See After an Airbag
Inflates?................................................. 74
When Should an Airbag Inflate?................. 72
Where Are the Airbags?............................. 70
AM-FM Radio.............................................. 186
Antenna, Fixed Mast................................... 204
Anti-Lock Brake System (ABS).................... 212
Anti-Lock Brake, System Warning Light....... 172
Anti-Lock Brakes, Trailer System
Warning Light........................................... 172
Appearance Care
Aluminum or Chrome-Plated Wheels........ 337
Care of Safety Belts................................ 334
Chemical Paint Spotting........................... 338
Cleaning Exterior Lamps/Lenses.............. 335
Cleaning the Inside of Your Vehicle.......... 331
Fabric/Carpet........................................... 333
Finish Care.............................................. 335
Finish Damage......................................... 338
Instrument Panel, Vinyl, and Other
Plastic Surfaces.................................... 334
Sheet Metal Damage............................... 337
Tires........................................................ 337
Underbody Maintenance........................... 338
Vehicle Care/Appearance Materials.......... 339
417
Appearance Care (cont.)
Washing Your Vehicle.............................. 335
Weatherstrips........................................... 334
Windshield and Wiper Blades................... 336
Ashtray(s).................................................... 157
Audio System(s).......................................... 184
AM-FM Radio.......................................... 186
Care of Your Cassette Tape Player.......... 202
Care of Your CD Player........................... 204
Care of Your CDs.................................... 203
Chime Level Adjustment........................... 204
Fixed Mast Antenna................................. 204
Radio with Cassette................................. 189
Radio with CD......................................... 195
Setting the Time...................................... 185
Theft-Deterrent Feature............................ 201
Understanding Radio Reception............... 201
Automatic Ether Injection System................ 318
Automatic Transmission
Fluid........................................................ 282
Operation................................................. 115
Axle, Two-Speed Rear Axle Electric Shift
Control..................................................... 113B
Battery........................................................ 304
Bench Seat, Split.......................................... 13
Brake
Anti-Lock Brake System (ABS)................. 212
Diesel Engine Exhaust............................. 112
Emergencies............................................ 213
Exhaust Indicator Light............................. 178
Hydraulic Systems................................... 211
Parking...........................................125, 126
System Warning Light.............................. 169
Trailer Hand Control Valve....................... 214
Brakes........................................................ 297
Parking Brake Burnish Procedure............. 128
Braking....................................................... 210
Braking in Emergencies............................... 213
Break-In, New Vehicle................................... 95
Bucket Seats.................................................. 9
Bulb Replacement....................................... 315
C
California Proposition 65 Warning................ 248
Canadian Owners........................................... 3
Capacities and Specifications...................... 347
Carbon Monoxide...............................131, 231
418
Care of
Safety Belts............................................. 334
Your Cassette Tape Player....................... 202
Your CD Player........................................ 204
Your CDs ................................................. 203
Center Console Storage Area...................... 135
Center Passenger Position, Safety Belts........ 37
Charging System Light................................ 167
Check
Engine Light............................................ 174
Gages Warning Light............................... 180
Checking Things Under the Hood................ 266
Chemical Paint Spotting.............................. 338
Child Restraints
Child Restraint Systems............................. 49
Infants and Young Children........................ 45
Lower Anchors and Tethers for Children..... 57
Older Children........................................... 42
Securing a Child Restraint in a Rear
Outside Seat Position............................. 58
Securing a Child Restraint in the Center
Rear Seat Position (Crew Cab) or
Center Front Position.............................. 60
Securing a Child Restraint in the Right
Front Seat Position................................. 63
Where to Put the Restraint................. 54, 55
Chime Level Adjustment.............................. 204Cigarette Lighter.......................................... 157
Cleaning
Aluminum or Chrome-Plated Wheels........ 337
Exterior Lamps/Lenses............................. 335
Fabric/Carpet........................................... 333
Finish Care.............................................. 335
Inside of Your Vehicle .............................. 331
Instrument Panel, Vinyl, and Other
Plastic Surfaces.................................... 334
Tires........................................................ 337
Underbody Maintenance........................... 338
Washing Your Vehicle .............................. 335
Weatherstrips........................................... 334
Windshield and Wiper Blades................... 336
Climate Control System............................... 157
Outlet Adjustment..................................... 160
Rear Heating System............................... 161
Collision Damage Repair............................. 410
Control of a Vehicle..................................... 210
Coolant
Engine Temperature Gage........................ 173
Heater, Engine......................................... 111
Low Warning Light................................... 173
Surge Tank Pressure Cap........................ 288
Cooling System........................................... 290
Cruise Control............................................. 146
419
Customer Assistance Information
Customer Assistance for Text Telephone
(TTY) Users.......................................... 406
Customer Assistance Offices.................... 406
Customer Satisfaction Procedure.............. 404
GM Mobility Reimbursement Program...... 407
Reporting Safety Defects to
General Motors..................................... 415
Reporting Safety Defects to the
Canadian Government.......................... 414
Reporting Safety Defects to the
United States Government.................... 414
Roadside Assistance Program.................. 408
Service Publications Ordering
Information........................................... 415
D
Daytime Running Lamps............................. 151
Daytime Running Lamps Indicator Light....... 179
Defensive Driving........................................ 206
Diesel Engine
Engine Alarm and Automatic Shutdown.... 104
Exhaust Brake......................................... 112
Exhaust Restrictor.................................... 108Diesel Engine (cont.)
Fuel......................................................... 253
High Idle System..................................... 106
Starting.................................................... 100
Differential Lock Control, Rear Axle............. 215
Differential Lock Indicator Light.................... 178
Doing Your Own Service Work.................... 249
Dome Lamps............................................... 153
Door
Locks......................................................... 91
Power Door Locks..................................... 92
Driver
Position, Safety Belt................................... 26
Driving
At Night................................................... 223
City.......................................................... 227
Defensive................................................. 206
Drunken................................................... 207
Freeway................................................... 228
Hill and Mountain Roads.......................... 230
In Rain and on Wet Roads...................... 224
Rocking Your Vehicle to Get it Out.......... 236
Tow Hooks............................................... 237
Winter...................................................... 231
Dual Tire Operation..................................... 323
420
E
Electrical System
Add-On Equipment................................... 340
Fuses and Circuit Breakers...................... 341
Fusible Links............................................ 341
Headlamp Wiring..................................... 341
Instrument Panel Fuse Block................... 342
Power Windows and Other Power
Options................................................. 341
Underhood Fuse Block............................. 344
Windshield Wiper Fuses........................... 341
Engine
Air Cleaner/Filter...................................... 280
Alarm and Automatic Shutdown................ 104
Battery..................................................... 304
Change Engine Oil Light.......................... 176
Check and Service Engine Soon Light..... 174
Checks Before Operating......................... 109
Coolant...........................................284, 287
Coolant Heater......................................... 111
Coolant Temperature Gage...................... 173
Diesel Engine Exhaust Brake................... 112
Drive Belt Routing.................................... 355
Exhaust................................................... 131
Exhaust Restrictor.................................... 108
Fan Breakage.......................................... 250Engine (cont.)
Fan Noise................................................ 294
High Idle System..................................... 106
Oil ...................................................268, 272
Oil Life System.......................276, 278, 279
Overheating............................................. 288
Overspeed Warning Light......................... 177
Reduced Power Light............................... 179
Shutdown Warning Light.......................... 177
Speed Limiter.......................................... 164
Starter Over-Crank Protection.................... 97
Starting Your Diesel................................. 100
Starting Your Gasoline............................... 97
Entry Lighting.............................................. 154
Event Data Recorders (EDR)...................... 409
Exhaust Brake Indicator Light...................... 178
Exhaust Restrictor....................................... 108
Extender, Safety Belt..................................... 41
Exterior Lamps............................................ 150
F
Filter
Engine Air Cleaner................................... 280
Filter Minder Gage...................................... 182
Finish Damage............................................ 338
Fixed Mast Antenna.................................... 204
421
Flashers, Hazard Warning........................... 142
Flat Tire...................................................... 330
Fluid
Automatic Transmission............................ 282
Manual Transmission................................ 283
Power Steering........................................ 295
Windshield Washer.................................. 296
Four-Wheel Drive...............................119, 312
Front Axle................................................... 313
Front Wheel Bearings with Oil-Filled Hubs ... 319
Fuel............................................................ 251
Additives.................................................. 252
Diesel Engine Fuel................................... 253
Filling a Portable Fuel Container.............. 266
Filling Your Tank...................................... 264
Filter........................................................ 317
Filter Replacement................................... 263
Fuels in Foreign Countries....................... 264
Gage....................................................... 181
Gasoline Octane...................................... 251
Gasoline Specifications............................ 251
Primary Filter and Water Separator.......... 317
Running Out of Fuel................................ 262
Secondary Filter and Water Separator/
Heater.................................................. 318
Very Cold Weather Operation................... 256
Water in Fuel........................................... 256Fuel (cont.)
Water in Warning Light............................ 182
What Fuel to Use.................................... 253
Fuses
Fuses and Circuit Breakers...................... 341
Instrument Panel Fuse Block................... 342
Underhood Fuse Block............................. 344
Windshield Wiper..................................... 341
G
Gage
Air Pressure............................................. 183
Check Gages Warning Light..................... 180
Engine Coolant Temperature.................... 173
Filter Minder............................................ 182
Fuel......................................................... 181
Hourmeter................................................ 183
Oil Pressure............................................. 175
Speedometer........................................... 163
Tachometer.............................................. 163
Transmission Temperature........................ 178
Voltmeter Gage........................................ 168
Gasoline
Octane..................................................... 251
Specifications........................................... 251
Gasoline Engine, Starting.............................. 97
GM Mobility Reimbursement Program.......... 407
422
L
Lamps
Dome....................................................... 153
Exterior.................................................... 150
Marker..................................................... 152
Reading................................................... 154
LATCH System
Child Restraints......................................... 57
Light
Airbag Off................................................ 166
Airbag Readiness..................................... 165
Anti-Lock Brake System Warning............. 172
Brake System Warning............................. 169
Change Engine Oil................................... 176
Charging System..................................... 167
Check Gages Warning............................. 180
Daytime Running Lamps Indicator............ 179
Differential Lock Indicator......................... 178
Engine Overspeed Warning...................... 177
Engine Shutdown Warning....................... 177
Exhaust Brake Indicator........................... 178
Highbeam On.......................................... 179
Low Coolant Warning............................... 173
Low Oil Level........................................... 176
Low Washer Fluid Warning...................... 180
Malfunction Indicator................................ 174Light (cont.)
Range Inhibit Warning Indicator................ 169
Reduced Engine Power............................ 179
Safety Belt Reminder............................... 164
Safety Belt Reminder Tone...................... 164
Service Transmission Warning.................. 168
Trailer Anti-Lock Brake System Warning ... 172
Wait to Start Indicator.............................. 174
Water in Fuel Warning............................. 182
Lighting
Entry........................................................ 154
Loading Your Vehicle................................... 238
Locks
Door.......................................................... 91
Power Door............................................... 92
Loss of Control........................................... 221
Low Coolant Warning Light.......................... 173
Low Washer Fluid Warning Light................. 180
M
Maintenance, Normal Replacement Parts.... 352
Maintenance Schedule
At Each Fuel Fill...................................... 391
At Least Once a Year.............................. 396
At Least Twice a Year.............................. 392
How This Section is Organized................ 360
424