
Long TripMighway Maintenance Schedule -I Gasoline Engines I
0 Change automatic transmission fluid and filter if the vehicle’s GVWR is
over
8600 lbs. or if the vehicle is mainly driven under one or more of
these conditions:
- In heavy city traffic where the outside temperature regularly reaches 90°F
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
(32°C) or
higher.
- Uses such as found in taxi, police or delivery service.
previously and, therefore, haven’t changed your automatic transmission fluid,
change both
the fluid and filter.
An Emission Control Service.
0 If you haven’t used your vehicle under severe service conditions listed
0 Inspect Positive Crankcase Ventilation (PCV) valve.
150,000 Miles (240 000 km)
Drain, flush and refill cooling system (or every 60 months since last service,
whichever occurs first). See “Engine Coolant”
in the Index for what to use.
Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test
the cooling system and pressure cap.
An Emission Control Service.
DATE I
7-37
ProCarManuals.com

Roadside Assistance
T-
GMC’s Roadside Assistance provides stranded owners
with over-the-phone roadside repairs, location of the
nearest GMC dealer or the following special services:
Flat Tire Change: Installation of spare tire will be
covered
at no charge (customer is responsible for repair
or replacement of tire).
Fuel Delivery: Delivery of enough fuel for the customer
to get to
the nearest service station (up to $4.00) will
be covered.
Jump Start: No-start situations which require a battery
jump start
will be covered at no charge.
Lock Out: Replacement keys or locksmith service will
be covered at no charge
if you are unable to gain entry
into your vehicle. Delivery of the replacement key will
be covered at no charge within
10 miles (16 km).
Emergency Towing Service: Towing to the nearest
GMC dealer for warranty related disablements will
be covered.
8-5
ProCarManuals.com

Comfort Controls ................................ 3-2
Compact Disc Care ............................. 3-26
Compact Disc Player
....................... 3- 16. 3.20
Console Storage
................................ 2-48
Control of
a Vehicle .............................. 4-5
Convex Outside Mirror
.......................... 2-46
Coolant
....................................... 6-21
RecoveryTank
............................... 5-16
Cooling System
................................ 5- 14
Courtesy Transportation
........................... 8-8
Crankcase Capacity ............................. 6-68
Cruise Control
................................. 2-37
Cupholders
.................................... 2-48
Customer Assistance Information
................... 8- 1
Customer Satisfaction Procedure .................... 8-2
Customer Assistance
for Text Telephone Users
......... 8-4
Damage. Finish
...................................... 6-57
Sheet Metal ................................. 6-57
Daytime Running Lamps
......................... 2-41
Daytime Running Lamps Indicator
Light ............ 2-62
Dead Battery ................................... 5-3
Defects. Reporting Safety
................... 8-10. 8-1 1
Defensive Driving ............................... 4-2
Defogging
................................. 3.3. 3.4
Defrosting
................................. 3.3. 3.4
Dome Lamps
.................................. 2-43
Door Locks
....................................... 2-4 Sliding
..................................... 2-12
Storage
..................................... 2-48
Swing-Out Side
.............................. 2-10
Drive Position. Automatic Transmission
............. 2-23
DriverPosition
................................. 1-17
Driving City
........................................ 4-18
Defensive
.................................... 4-2
Drunken
..................................... 4-3
Freeway
.................................... 4-19
InaBlizzard
................................. 4-25
In Foreign Countries ........................... 6-5
IntheRain
.................................. 4-15
Night
...................................... 4-14
OnCurves
................................... 4-9
On Grades While Towing a Trailer ............... 4-35
On Hill
and Mountain Roads .................... 4-21
OnSnowandIce
............................. 4-23
Throughwater
............................... 4-17
WetRoads
.................................. 4-15
Winter
...................................... 4-23
With
a Trailer ................................ 4-33
Drunken Driving
................................ 4-3
Dual Tire Operation
............................. 6-45
Storagepocket
............................... 2-48
Electrical Equipment. Adding
.................... 6-61
Electrical System
............................... 6-61
Electronic
Road Speed Governor (Gasoline Engines) ... 2-53
9-3
ProCarManuals.com

Engine ....................................... 6-10
Coolant ..................................... 6-21
Coolant Level Check
.......................... 7-38
Cooling System
.............................. 5-14
Exhaust
...................... 2.29.2.30.2.33. 4.26
FuseBlock
.................................. 6-65
Identification
........................... 6.60. 6.67
OilLevelCheck
.............................. 7-38
Overheating
................................. 5-11
Running While Parked
......................... 2-30
Starting Your
................................ 2- 18
Engine Coolant Heater ........................... 2-20
Engineoil
.................................... 6-12
Adding
..................................... 6-13
Additives
................................... 6-15
Checking
................................... 6-13
Pressure Gage ................................ 2-60
Used ....................................... 6-16
Whentochange
.............................. 6-15
Exhaust, Engine
................. 2-29,2-30.2-33, 4-26
Exterior Lamps
................................. 2-40
Coolant Temperature
Gage
..................... 2-57
Engine Oil (Continued)
Fabric Cleaning
............................... 6-52
Filling
a Portable Fuel Container .................... 6-7
Filling Your Tank
................................ 6-5
Filter. Air ..................................... 6-16
Finish Care
.................................... 6-55
Finish Damage
................................. 6-57 First Gear. Automatic Transmission
................ 2-23
Flashers. Hazard Warning
......................... 5-2
Flat Tire. Changing
............................. 5-22
Fluids and Lubricants
............................ 7-44
Foreign Countries. Fuel
........................... 6-5
French Language Manual 11
Front Parkingmurn Signal Lamp Bulb Replacement .... 6-35
Front Storage Area
.............................. 2-48
FrontTowing
.................................. 5-10
Fuel
.......................................... 6-3
Canada
...................................... 6-3
Filling
a Portable Container ...................... 6-7
Gage
....................................... 2-63
In Foreign Countries ........................... 6-5
Tank Capacity
............................... 6-69
Fuses and Circuit Breakers
....................... 6-61
.. ...........................
Filling Your Tank .............................. 6-5
Gages Engine Coolant Temperature
.................... 2-57
Engine Oil Pressure
........................... 2-60
Fuel
....................................... 2-63
Speedometer
................................. 2-52
Voltmeter
................................... 2-55
Gear Positions. Automatic Transmission
............. 2-21
Gross Axle Weight Rating
........................ 4-27
Gross Vehicle Weight Rating
...................... 4-27
Guide en Franpis
11
GAWR ....................................... 4-27
.. .................................
GVWR ....................................... 4-27
9-4
ProCarManuals.com

. -~ ....... -
eaving.Yaur Vehicle with the Engine Running ....... 2-27
ighter
, ...................................... 2-48
ights
I
.
Air Bag Readiness ....................... 1-28. 2-54
Brake System Warning
......................... 2-56
Charging System
............................. 2-54
Check Gages
................................ 2-62
Daytime Running
Lamps Indicator ............... 2-62
Exterior
.................................... 2-40
Interior
..................................... 2-43
Safety Belt Reminder
..................... 1-12. 2-53
Se~~rity 2-61
oadiflg
YOLU Vehicle ........................... 4-27
Anti-Lock Brake System Warning
............ 2-57. 4-7
....................................
.......................... Service Engine Soon 2-58
Locks
......................................... 2-4
Door
........................................ 2-4
Ignition
Transmission Check .................... 7-41 .... .. II . . .:. . i ... ...
..... ................... Power Door * .............. 2-5
Rear Door Security
.. I ..... , ................... 2-5
Sliding
Door Child Security ................. , .. , . 2-6
.. ossofContro1 ..................,............. 4-12
ubricants and Fluids
........................... , 7-44
uhication Service, Body
................... , .... 7-39
'~ .. . .... . _ . ..
Maintenance. NOI-ITMI Replacement parts ........... 6-69
Maintenance Record
............................ 7-46
Maintenance Schedule
............................ 7-1
Long TripMLighway
........................... 7-27
Long Tripmighway Definition
................... 7-6
Long Trip/Highway Intervals
..................... 7-7
Owner Checks and Services ..................... 7-38
Periodic Maintenance Inspections
................ 7-42
Recommended Fluids and Lubricants
............. 7-44
Scheduled Maintenance Services .................. 7-4
Short TripKity
................................ 7-8
Short Trip/City Definition ....................... 7-5
Short TripKity Intervals
........................ 7-5
Maintenance. Underbody
......................... 6-58
Maintenance When Trailer Towing
................. 4-36
Malfunction Indicator Lamp
...................... 2-58
ManualFrontSeat
............................... 1-2
Mirrors ....................................... 2-45
Camper-Type
................................ 2-47
Convex Outside
.............................. 2-46
Inside Daymight Rearview
..................... 2-45
Power Remote Control
......................... 2-45
Visor Vanity
................................. 2-49
MMT ......................................... 6-4
Model Reference
................................. vi
Mountain Roads ................................ 4-21
Multifunction Lever
............................. 2-34
Neutral. Automatic Transmission
................. 2-22
New Vehicle Break-Ii.1 ........................... 2-17
Nightvision
................................... 4-14
Noise Control System
........................... 6-1.1
Normal Maintenance Replacement Parts ............. 6-69
Odometer
.................................... 2-52
Odometer. Trip
................................. 2-52
9-6
ProCarManuals.com

OH-Road Recovery ............................. 4- 1 1
Oil. Engine .................................... 6-12
Overheating Engine
............................. 5- 1 1
Owner Checks and Services ....................... 7-38
Owner Publications. Ordering
................ 8- 1 1. 8- I2
Paint Spotting. Chemical
........................ 6-58
Park
Automatic Transmission
....................... 2-21
Shifting Into
................................. 2-25
Shifting Out of
............................... 2-28
AtNight
.................................... 2-15
Brake
...................................... 2-24
Brake Mechanism Check
....................... 7-41
Over Things That Burn
........................ 2-29
With
a Trailer ................................ 4-36
Passenger Position
.............................. 1-26
Passing
.................................. 4-11
Passlock
..................................... 2-16
Periodic Maintenance Inspections
.................. 7-42
Power Antenna Mast Care
............................ 3-27
DoorLocks
................................... 2-5
Remote Control Mirror
........................ 2-45
Seat
......................................... 1-3
Steering
..................................... 4-8
Steering Fluid
................................ 6-25
Windows
................................... 2-31
Pregnancy. Use of Safety Belts
.................... 1-25
Parking
Lots
....................................... 2-16 Problems
on the Road
............................ 5-1
Publications. Service and Owner .............. 8- 1 1. 8- 12
Radiator
..................................... 5-18
Radiator Pressure Cap
........................... 6-24
Radio Reception
................................ 3-23
Radios
.......................... 3.7.3.9.3.11. 3.16
Rain. Driving In
................................ 4-15
Reading Lamps
................................ 2-43
Rear
Axle
....................................... 6-21
Door Security Locks
........................... 2-5
Outside Seat Position
.......................... 1-34
Towing
..................................... 5-11
Rear Air Conditioning and Rear Heater
............... 3-5
Rear Heater Controls (without Air Conditioning)
....... 3-4
Rear Passenger Temperature Control
................. 3-5
Rear Safety Belt Comfort Guides .................. 1-37
Rearview Mirror
................................ 2-45
Reclining Front Seatbacks
......................... 1-3
Recommended
Fluids and Lubricants ............... 7-44
Recovery Tank. Coolant
.......................... 5-16
Refrigerants. Air Conditioning
.................... 6-70
Remote Compact Disc Player
..................... 3-20
Replacement SeatPassengers
.............................. 1-34
Bulbs
...................................... 6-66
Parts
....................................... 6-69
Wheel
...................................... 6-49
Replacing Safety Belts
........................... 1-62
Reporting Safety Defects .................... 8- 10. 8-11
9-7
. ~ ...
ProCarManuals.com

TorqueLock ................................... 2-27
rorque. Wheel Nut ......................... 5.33. 6.67
Towing a Trailer ................................ 4-28
Towing Your Vehicle ............................. 5-8
Driving on Grades ............................ 4-35
Driving with ................................. 4-33
Parking on Hills .............................. 4-36
Safety Chains ................................ 4-33
Tongue Weight ............................... 4-3 1
Total Weight on Tires .......................... 4-32
Towing ..................................... 4-28
Turn Signals ................................. 4-35
Weight ..................................... 4-30
Wiring Harness ............................... 4-37
Transmission Fluid, Automatic .................... 6- 17
rransmitters, Keyless Entry ........................ 2-6
Transportation, Courtesy .......................... 8-8
Trip Odometer ................................. 2-52
Turn SignaVMultifunction Lever ................... 2-34
Trailer
Brakes
...................................... 4-33
Hitches ..................................... 4-32
Maintenance When Towing ..................... 4-36
TTYUsers ..................................... 8-4
Turn Signal and Lane Change Signals ............... 2-35
Turn Signals When Towing a Trailer ................ 4-35
Underbody Maintenance .............. ,. ......... 6-58
Underhood Lamp ............................... 2-44
Vehicle
Control
...................................... 4-5
Damagewarnings .............................. iv
Identification Number
......................... 6-60
Loading .................................... 4-27
Storage ..................................... 6-31
Ventilation System ............................... 3-6
Visor Vanity Mirrors ............................ 2-49
Visors. Sun .................................... 2-49
warning Devices ............................... 5-2
Warning Lights. Gages and Indicators ............... 2-53
Washer Fluid. Windshield ........................ 6-26
Washing Your Vehicle ........................... 6-55
Weatherstrips .................................. 6-54
Wheel
Alignment
.................................. 6-48
Nut Torque ............................. 5-33. 6-67
Replacement ................................. 6-49
Wrench ..................................... 5-24
Windows ..................................... 2-31
Power ...................................... 2-31
SideLatches ................................. 2-32
Swing-Out .................................. 2-32
Windshield Washer ............................. 2-37
Fluid ....................................... 6-26
Fluid Level Check ............................ 7-38
9-10
ProCarManuals.com

Windshield Wiper .............................. 2-36 Wiper Blade Cleaning ........................... 6-54
Blade Replacement
........................... 6-40 Wiring. Headlamp .............................. 6-61
Cleaning the Blades
........................... 6-54 Wiper Blade Check ............................. 7-39
Fuses ...................................... 6-61 WreckerTowing ................................. 5-8
Winter Driving ................................. 4-23 Wrench. Wheel ................................. 5-24
9-11
ProCarManuals.com