2004 GMC SIERRA torque

8. Turn the wheel wrench counterclockwise to lower
the vehicle. Lower the jack completely.
9. Tighten the nuts ®rmly in a crisscross sequence
as shown by turning the wheel wrench clockwise.
{CAUTION:
Incorrect wheel nuts or improperly tightened
wheel nuts can cause the wheel to come loose
and even come off. This could lead to an
accident. Be sure to use the correct wheel
CAUTION: (Continued)
CAUTION: (Continued)
nuts. If you have to replace them, be sure to
get new GM original equipment wheel nuts.
Stop somewhere as soon as you can and have
the nuts tightened with a torque wrench to the
proper torque speci®cation. See ªCapacities
and Speci®cationsº in the Index for wheel nut
torque speci®cation.
Notice:Improperly tightened wheel nuts can lead
to brake pulsation and rotor damage. To avoid
expensive brake repairs, evenly tighten the wheel
nuts in the proper sequence and to the proper
torque speci®cation. See ªCapacities and
Speci®cationsº in the index for the wheel nut torque
speci®cation.
When you reinstall the regular wheel and tire, you must
also reinstall the center cap. Place the cap on the
wheel and tap it into place until it seats ¯ush with the
wheel. The cap only goes on one way. Be sure to line up
the tab on the center cap with the indentation on the
wheel.
5-108

Capacities and Speci®cations
Please refer toRecommended Fluids and Lubricants on page 6-14for more information. All capacities are
approximate. When adding see the refrigerant charge label under the hood for charge capacity information and
requirements.
Capacities and Speci®cations
Engine VIN Code Spark Plug Gap
VORTECŸ 4300 V6 W 0.060 inches (1.52 mm)
VORTECŸ 4800 V8 V 0.040 inches (1.01 mm)
VORTECŸ 5300 V8 T 0.040 inches (1.01 mm)
VORTECŸ 6000 V8 U 0.040 inches (1.01 mm)
VORTECŸ 8100 V8 G 0.060 inches (1.52 mm)
Model Description Torque
C/K 1500 & C/K 2500 6 Bolts (14 mm) 140 lb ft (190Y)
C/K 3500 8 bolts (14 mm) 140 lb ft (190Y)
Tire PressureSee the Certi®cation/Tire label on the rear edge of the driver's
door or the incomplete vehicle document in the cab.
5-134

At the First 100, 1,000 and 6,000
Miles (160, 1 600 and 10 000km)
Check dual wheel nut torque. For proper torque, seeCapacities and Speci®cations on page 5-134.
At Each Fuel Fill
It is important to perform these underhood checks at
each fuel ®ll.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-18for further
details.
Notice:It is important to check your oil regularly
and keep it at the proper level. Failure to keep your
engine oil at the proper level can cause damage
to your engine not covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOLžcoolant mixture if necessary. SeeEngine
Coolant on page 5-33for further details.
Windshield Washer Fluid Level Check
Check the windshield washer ¯uid level in the windshield
washer tank and add the proper ¯uid if necessary.
At Least Once a Month
Tire In¯ation Check
Visually inspect your tires and make sure tires are
in¯ated to the correct pressures. Do not forget to check
your spare tire. See
Tires on page 5-76for further
details. Check to make sure the spare tire is stored
securely. Push, pull and then try to rotate or turn
the spare tire. If it moves, tighten it. See
Changing a
Flat Tire on page 5-96.
6-11

Tires (cont.)
Wheel Alignment and Tire Balance.................5-91
Wheel Replacement.....................................5-92
When It Is Time for New Tires......................5-88
To Use the Engine Coolant Heater....................2-25
Tonneau Cover...............................................2-67
Top Strap......................................................1-43
Top Strap Anchor Location...............................1-45
Torque Lock (Automatic Transmission)...............2-51
Total Weight on Your Vehicle's Tires..................4-88
Tow/Haul Mode Light.......................................3-53
Tow/Haul Mode, Overdrive Disable....................3-53
Tow/Haul Mode
(Automatic Transmission)..............................2-29
Towing
Power Take-Off (PTO)................................4-101
Recreational Vehicle.....................................4-54
Towing a Trailer..........................................4-70
Your Vehicle...............................................4-53
Traction
Assist System (TAS)...................................... 4-9
Manual Selectable Ride................................4-11
Off Light.....................................................3-45
TRACTION ACTIVE........................................3-72
Trailer
Recommendations.......................................4-70
Trailer Brakes.................................................4-91
Trailer Wiring Harness.....................................4-95
TRANS HOT IDLE ENGINE
(Allison Transmission
žOnly)..........................3-73Transfer Case................................................5-60
Transmission
Fluid, Automatic..................................5-25, 5-28
Fluid, Manual..............................................5-31
Temperature Gage.......................................3-47
Up-Shift Light..............................................3-43
TRANSMISSION HOT.....................................3-72
Transmission Operation, Automatic....................2-26
Transmission Operation, Manual........................2-30
Transmission, Transaxle, Transfer Case Unit
Repair Manual............................................7-12
Transportation Options...................................... 7-8
Traveling to Remote Areas...............................4-24
Trip Information Button....................................3-56
Trip Odometer................................................3-35
Truck-Camper Loading Information....................4-68
Turn and Lane Change Signals.......................... 3-8
TURN SIGNAL ON.........................................3-73
Turn Signal/Multifunction Lever........................... 3-7
Turn Signals When Towing a Trailer..................4-93
Two-Tiered Loading.........................................4-63
U
Underhood Fuse Block...................................5-129
Understanding Radio Reception.......................3-129
Uniform Tire Quality Grading............................5-90
United States................................................... 7-4
Up-Shift Light.................................................3-43
16