ApplicationCapacities
English Metric
Fuel Tank
Standard Tank (Passenger and Cargo) 31.0 gal 117.3 L
Standard Tank (Cab and Chassis) 33.0 gal 124.9 L
Optional Tank (Cab and Chassis)* 57.0 gal 215.7 L
* 159 inch (4 039 mm) wheelbase or 177 inch (4 496 mm) wheelbase only
Transmission Capacities
4-SPD 4L60-E Transmission 5.0 qt 4.7 L
4-SPD 4L80-E 7.7 qt 7.3 L
4-SPD 4L80-E Heavy Duty Transmission 7.7 qt 7.3 L
Wheel Nut Torque 140 ft lb 190Y
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.
Engine Speci cations
Engine VIN Code Transmission Spark Plug Gap
VORTEC™ 4300 V6 X Automatic 0.060 inches (1.52 mm)
VORTEC™ 4800 V8 C Automatic 0.040 inches (1.01 mm)
VORTEC™ 5300 V8 4 Automatic 0.040 inches (1.01 mm)
VORTEC™ 6000 V8 K Automatic 0.040 inches (1.01 mm)
5-111
Owner Checks and Services
These owner checks and services should be performed
at the intervals specified to help ensure the safety,
dependability, and emission control performance of your
vehicle. Your dealer/retailer can assist you with these
checks and services.
Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
inRecommended Fluids and Lubricants on page 6-14.
At the First 100, 1,000 and
6,000 Miles (160, 1 600 and
10 000 km)
For vehicles with dual wheels, check dual wheel nut
torque. For proper torque, seeCapacities and
Specifications on page 5-110.
At Each Fuel Fill
It is important to perform these underhood checks at
each fuel fill.
Engine Oil Level Check
Notice:It is important to check the engine oil
regularly and keep it at the proper level. Failure to
keep the engine oil at the proper level can cause
damage to the engine not covered by your warranty.
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil (Gasoline Engine) on
page 5-15.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL®
coolant mixture if necessary. SeeEngine Coolant
on page 5-23.
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the windshield
washer fluid reservoir and add the proper fluid if
necessary.
6-10
Usage Fluid/Lubricant
Front Wheel
BearingsWheel bearing lubricant meeting
requirements of NLGI #2,
Category GC or GC-LB
(GM Part No. U.S. 1051344, in
Canada 993037).
Front and
Rear AxleSAE 75W-90
Synthetic Axle Lubricant
(GM Part No. U.S. 89021677, in
Canada 89021678) or equivalent
meeting GM Specification 9986115.
Transfer CaseManual Transmission Fluid
(GM Part No. U.S. 88861800, in
Canada 88861801).
One-Piece
Propshaft Slip
Yoke Spline,
Two-Piece
Propshaft
Slip-in-Tube
SplineSpline Lubricant, Special Lubricant
(GM Part No. U.S. 12345879, in
Canada 10953511) or lubricant
meeting requirements of
GM 9985830.Usage Fluid/Lubricant
Hood HingesMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Weatherstrip
ConditioningWeatherstrip Lubricant
(GM Part No. U.S. 3634770,
in Canada 10953518) or
Dielectric Silicone Grease
(GM Part No. U.S. 12345579,
in Canada 992887).
Weatherstrip
SqueaksSynthetic Grease
with Teflon, Superlube
(GM Part No. U.S. 12371287, in
Canada 10953437).
6-15
GM Mobility Reimbursement
Program
This program, available to qualified applicants, can
reimburse you up to $1,000 of the cost of eligible
aftermarket adaptive equipment required for your vehicle,
such as hand controls or a wheelchair/scooter lift.
The offer is available for a very limited period of time
from the date of vehicle purchase/lease. For more
details, or to determine your vehicle’s eligibility, visit
gmmobility.com or call the GM Mobility Assistance
Center at 1-800-323-9935. Text telephone (TTY) users,
call 1-800-833-9935.
General Motors of Canada also has a Mobility Program.
Call 1-800-GM-DRIVE (463-7483) for details. TTY
users call 1-800-263-3830.
Roadside Assistance Program
For vehicles purchased in the U.S. call,
1-800-GMC-8782 (1-800-462-8782);
(Text telephone (TTY): 1-888-889-2438).
For vehicles purchased in Canada, call1-800-268-6800.
Service is available 24 hours a day, 365 days a year.
As the owner of a new GMC vehicle, you are
automatically enrolled in the GMC Roadside Assistance
program.
Who is Covered?
Roadside Assistance coverage is for the vehicle
operator, regardless of ownership. In Canada, a person
driving the vehicle without the consent of the owner
is not eligible for coverage.
7-6
A
Accessories and Modifications............................ 5-3
Adding Equipment to Your Airbag-Equipped
Vehicle.......................................................1-74
Additives, Fuel................................................. 5-7
Add-On Electrical Equipment...........................5-103
Air Cleaner/Filter, Engine.................................5-19
Air Conditioning..............................................3-19
Airbag
Off Light.....................................................3-28
Passenger Status Indicator...........................3-30
Readiness Light..........................................3-27
Airbag System................................................1-57
What Will You See After an Airbag Inflates?....1-64
When Should an Airbag Inflate?....................1-62
Where Are the Airbags?...............................1-60
Airbag Systems
Adding Equipment to Your
Airbag-Equipped Vehicle............................1-74
Airbag Off Switch........................................1-66
How Does an Airbag Restrain?......................1-64
Passenger Sensing System...........................1-69
Servicing Your Airbag-Equipped Vehicle..........1-73
What Makes an Airbag Inflate?......................1-64
All-Wheel Drive...............................................5-44
All-Wheel-Drive (AWD) System........................... 4-7
Antenna, Fixed Mast.......................................3-83
Antilock Brake System (ABS)............................. 4-4
Antilock Brake, System Warning Light................3-34Appearance Care
Aluminum Wheels......................................5-100
Care of Safety Belts....................................5-97
Chemical Paint Spotting..............................5-101
Cleaning Exterior Lamps/Lenses....................5-98
Fabric/Carpet..............................................5-96
Finish Care.................................................5-98
Finish Damage..........................................5-101
Instrument Panel, Vinyl, and Other
Plastic Surfaces.......................................5-97
Interior Cleaning..........................................5-95
Sheet Metal Damage..................................5-101
Tires........................................................5-101
Underbody Maintenance.............................5-101
Vehicle Care/Appearance Materials...............5-102
Washing Your Vehicle...................................5-98
Weatherstrips..............................................5-97
Windshield and Wiper Blades........................5-99
Appointments, Scheduling Service....................... 7-9
Ashtray.........................................................3-18
Audio System.................................................3-63
Audio Steering Wheel Controls......................3-82
Fixed Mast Antenna.....................................3-83
Radio Reception..........................................3-83
Setting the Clock.........................................3-65
Theft-Deterrent Feature................................3-82
Audio System(s).............................................3-67
Automatic Door Lock......................................... 2-8
Automatic Door Unlock...................................... 2-8
Automatic Headlamp System............................3-15
1
Child Restraints (cont.)
Securing a Child Restraint in a
Rear Seat Position...................................1-46
Securing a Child Restraint in the
Right Front Seat Position..................1-48, 1-52
Where to Put the Restraint...........................1-38
Cigarette Lighter.............................................3-18
Cleaning
Aluminum Wheels......................................5-100
Exterior Lamps/Lenses.................................5-98
Fabric/Carpet..............................................5-96
Finish Care.................................................5-98
Instrument Panel, Vinyl, and
Other Plastic Surfaces..............................5-97
Interior.......................................................5-95
Tires........................................................5-101
Underbody Maintenance.............................5-101
Washing Your Vehicle...................................5-98
Weatherstrips..............................................5-97
Windshield and Wiper Blades........................5-99
Climate Control System...................................3-19
Outlet Adjustment........................................3-21
Rear Air Conditioning and Heating System......3-23
Rear Heating System...................................3-22
Clock, Setting.................................................3-65
Collision Damage Repair..................................7-11
Compass.......................................................3-47
Control of a Vehicle.......................................... 4-3Coolant
Engine Temperature Gage............................3-35
Heater, Engine............................................2-21
Cooling System..............................................5-28
Cruise Control................................................3-10
Cruise Control Light........................................3-40
Customer Assistance Information
Courtesy Transportation.................................. 7-9
Customer Assistance for
Text Telephone (TTY) Users........................ 7-4
Customer Assistance Offices........................... 7-5
Customer Satisfaction Procedure..................... 7-2
GM Mobility Reimbursement Program............... 7-6
Reporting Safety Defects to General Motors.....7-15
Reporting Safety Defects to the
Canadian Government..............................7-15
Reporting Safety Defects to the
United States Government.........................7-14
Roadside Assistance Program......................... 7-6
Service Publications Ordering Information........7-15
D
Daytime Running Lamps..................................3-15
Defensive Driving............................................. 4-2
Delayed Locking............................................... 2-7
DIC Compass.................................................3-47
Disc, MP3......................................................3-77
3
Seats
Power Seat.................................................. 1-3
Rear Seat Operation...................................... 1-6
Reclining Seatbacks...................................... 1-4
Secondary Latch System.................................5-90
Securing a Child Restraint
Rear Seat Position......................................1-46
Right Front Seat Position......................1-48, 1-52
Security Light.................................................3-40
Service........................................................... 5-3
Accessories and Modifications......................... 5-3
Adding Equipment to the Outside of
Your Vehicle.............................................. 5-5
California Pershlorate Materials Requirements.... 5-4
California Proposition 65 Warning.................... 5-3
Doing Your Own Work................................... 5-4
Engine Soon Light.......................................3-36
Publications Ordering Information...................7-15
Service, Scheduling Appointments....................... 7-9
Servicing Your Airbag-Equipped Vehicle..............1-73
Sheet Metal Damage.....................................5-101
Shifting Into Park (P).......................................2-27
Shifting Out of Park (P)...................................2-29
Signals, Turn and Lane-Change.......................... 3-8
Sliding Side Door............................................. 2-9
Spare Tire.....................................................5-94
Installing....................................................5-82
Removing...................................................5-79
Storing.......................................................5-93
Specifications, Capacities...............................5-110Speedometer..................................................3-26
StabiliTrak®System.......................................... 4-5
StabiliTrak®Indicator Light................................3-34
Starting the Engine.........................................2-20
Steering.......................................................... 4-7
Steering Wheel Controls, Audio.........................3-82
Steering Wheel, Tilt Wheel................................. 3-7
Storage Areas................................................2-34
Stuck in Sand, Mud, Ice, or Snow.....................4-19
Sun Visors.....................................................2-16
Swing-Out Side Door, 60/40.............................2-10
Swing-Out Windows........................................2-15
T
Taillamps.......................................................5-51
Theft-Deterrent, Radio.....................................3-82
Theft-Deterrent Systems...................................2-16
PASS-Key
®III+...........................................2-16
PASS-Key®III+ Operation.............................2-17
Tilt Wheel........................................................ 3-7
Time, Setting..................................................3-65
Tire
Pressure Light.............................................3-35
Tires.............................................................5-53
Aluminum Wheels, Cleaning........................5-100
Buying New Tires........................................5-70
Chains.......................................................5-76
Changing a Flat Tire....................................5-78
10
Tires (cont.)
Cleaning...................................................5-101
Different Size..............................................5-72
Dual Tire Operation.....................................5-61
If a Tire Goes Flat.......................................5-77
Inflation - Tire Pressure................................5-60
Inspection and Rotation................................5-68
Installing the Spare Tire................................5-82
Pressure Monitor Operation...........................5-64
Pressure Monitor System..............................5-62
Removing the Flat Tire.................................5-82
Removing the Spare Tire and Tools...............5-79
Secondary Latch System..............................5-90
Spare Tire..................................................5-94
Storing a Flat or Spare Tire and Tools............5-93
Tire Sidewall Labeling..................................5-54
Tire Terminology and Definitions....................5-57
Uniform Tire Quality Grading.........................5-73
Wheel Alignment and Tire Balance.................5-74
Wheel Replacement.....................................5-74
When It Is Time for New Tires......................5-70Tow/Haul Mode...............................................2-25
Tow/Haul Mode Light.......................................3-40
Towing
Recreational Vehicle.....................................4-26
Towing a Trailer..........................................4-28
Your Vehicle...............................................4-25
Traction
StabiliTrak
®System....................................... 4-5
Transmission
Fluid, Automatic...........................................5-20
Transmission Operation, Automatic....................2-22
Trip Odometer................................................3-26
Turn and Lane-Change Signals.......................... 3-8
Turn Signal/Multifunction Lever........................... 3-7
U
Uniform Tire Quality Grading............................5-73
Using this Manual............................................... iii
11