2004 CHEVROLET SILVERADO wheel

Vehicle Care/Appearance Materials
See your GM dealer for more information on purchasing
the following products.
Description Usage
Polishing Cloth
Wax-TreatedInterior and exterior
polishing cloth.
Tar and Road
Oil RemoverRemoves tar, road oil,
and asphalt.
Chrome Cleaner
and PolishUse on chrome or
stainless steel.
White Sidewall
Tire CleanerRemoves soil and black
marks from whitewalls.
Vinyl CleanerCleans vinyl tops,
upholstery, and
convertible tops.
Glass CleanerRemoves dirt, grime,
smoke and ngerprints.
Chrome and Wire
Wheel CleanerRemoves dirt and grime
from chrome wheels and
wire wheel covers.
Finish EnhancerRemoves dust,
ngerprints, and surface
contaminants. Spray on
wipe off.
Description Usage
Swirl Remover PolishRemoves swirl marks, ne
scratches, and other light
surface contamination.
Cleaner WaxRemoves light scratches
and protects nish.
Foaming Tire Shine
Low GlossCleans, shines, and
protects in one step.
No wiping necessary.
Wash Wax ConcentrateMedium foaming
shampoo. Cleans and
lightly waxes.
Biodegradable and
phosphate free.
Spot LifterQuickly removes spots
and stains from carpets,
vinyl, and cloth upholstery.
Odor EliminatorOdorless spray odor
eliminator used on fabrics,
vinyl, leather and carpet.
See your General Motors parts department for these
products. SeeRecommended Fluids and Lubricants on
page 6-13.
5-121

Fuses Usage
IGN 3 Ignition, Heated Seats
4WDFour-Wheel Drive System,
Auxiliary Battery
HTR A/C Climate Control System
LOCK (Relay)Power Door Lock Relay
(Lock Function)
HVAC 1 Climate Control System
L DOORDriver’s Door Harness
Connection
CRUISECruise Control, Power Take
Off (PTO)
UNLOCK (Relay)Power Door Lock Relay
(Unlock Function)
RR FOG LP Not Used
BRAKE Anti-Lock Brake System
DRIVER UNLOCKPower Door Lock
Relay (Driver’s Door
Unlock Function)
IGN 0 TCM
TBC IGN 0 Truck Body Controller
VEH CHMSLVehicle and Trailer High
Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop TrailerFuses Usage
LT TRNLeft Turn Signals
and Sidemarkers
VEH STOPVehicle Stoplamps, Brake
Module, Electronic Throttle
Control Module
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRNRight Turn Signals
and Sidemarkers
BODY Harness Connector
DDM Driver Door Module
AUX PWR 2 Not Used
LOCKS Power Door Lock System
ECC Not Used
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORSLeft Power Windows
Circuit Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller
5-125

Fuses Usage
A/C COMPAir Conditioning Compressor
Relay
RR WPR Not Used
RADIO Audio System
SEO B1Mid Bussed Electrical Center,
Rear Heated Seats,
HomeLink
LO HDLP-LT Headlamp Low Beam-Left
BTSIBrake Transmission Shift
Interlock System
CRANK Starting System
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Fog Lamp Relay
FOG LP Fog LampsFuses Usage
HORN Horn Relay
W/S WASHWindshield Washer
Pump Relay
W/S WASH Windshield Washer Pump
INFOOnStar/Rear Seat
Entertainment
RADIO AMP Radio Amplier
RH HID Not Used
HORN Horn
EAP Not Used
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist
5-131

Capacities and Specications
Please refer toRecommended Fluids and Lubricants on page 6-13for more information. All capacities are
approximate. When adding see the refrigerant charge label under the hood for charge capacity information
and requirements.
Capacities and Specications
Engine VIN Code Spark Plug Gap
VORTEC™ 4300 V6 W 0.060 inches (1.52 mm)
VORTEC™ 4800 V8 V 0.040 inches (1.01 mm)
VORTEC™ 5300 V8 T 0.040 inches (1.01 mm)
VORTEC™ 6000 V8 U 0.040 inches (1.01 mm)
VORTEC™ 6000 V8 N 0.040 inches (1.01 mm)
VORTEC™ 8100 V8 G 0.060 inches (1.52 mm)
Wheels and Tires
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 Certication/Tire label on the rear edge of the
driver’s door or the incomplete vehicle document in the cab.
5-132

Additional Required Services (cont’d)
Service and Miles (Kilometers)25,000
(41 500)50,000
(83 000)75,000
(125 000)100,000
(166 000)125,000
(207 500)150,000
(240 000)
Except Allison: Change automatic
transmission uid and lter (severe
service).See footnote (h).•••
Except Allison: Change automatic
transmission uid and lter
(normal service).•
Four-wheel drive with automatic
transfer case only: Change transfer
case uid.See footnote (g).•••
Inspect evaporative control system.An
Emission Control Service. See
footnotes † and (k).•••
Replace spark plugs and inspect
spark plug wires.An Emission
Control Service.•
Engine cooling system service (or
every 5 years, whichever occurs rst).
An Emission Control Service. See
footnote (i).•
Inspect engine accessory drive belt.An
Emission Control Service.•
5-speed manual transmission only:
Change manual transmission uid.•
6-7

At the First 100, 1,000 and 6,000
Miles (160, 1 600 and 10 000km)
Check dual wheel nut torque. For proper torque, see
Capacities and Specications on page 5-132.
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 5-20for
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-COOL®coolant mixture if necessary. SeeEngine
Coolant on page 5-35for 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 Ination Check
Visually inspect your tires and make sure tires are
inated to the correct pressures. Do not forget to check
your spare tire. SeeTires on page 5-74for 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. SeeChanging a
Flat Tire on page 5-93.
6-10

Usage Fluid/Lubricant
Manual
Transmission
(5–Speed
without Low
Gear,
RPO MG5)Synchromesh Transmission Fluid
(GM Part No. U.S. 12345349, in
Canada 10953465).
Manual
Transmission
(6–Speed)TranSynd™ Synthetic Transmission
Fluid (GM Part No. U.S. 12378515,
in Canada 88900701).
Automatic
TransmissionDEXRON
®-III Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Floor Shift
LinkageLubriplate Lubricant Aerosol (GM
Part No. U.S. 12346293, in Canada
992723) or lubricant meeting
requirements of NLGI #2 Category
LB or GC-LB.
Chassis
LubricationChassis Lubricant
(GM Part No. U.S. 12377985, in
Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Usage Fluid/Lubricant
Front Axle
(Four-Wheel
Drive)SAE 80W-90 Axle Lubricant
(GM Part No. U.S. 1052271, in
Canada 10950849).
Front Axle
(All-Wheel
Drive)SAE 75W-90 Synthetic Axle
Lubricant (GM Part No. U.S.
12378261, in Canada 10953455)
meeting GM Specication 9986115.
Front AxleSAE 80W-90 Axle Lubricant
(GM Part No. U.S. 1052271, in
Canada 10950849).
Rear AxleSAE 75W-90 Synthetic Axle
Lubricant (GM Part No.
U.S. 12378261, in
Canada 10953455) meeting
GM Specication 9986115.
Rear Axle
(Steerable)Synthetic Axle Lubricant; use only
GM Part No. U.S. 12378557, in
Canada 88901362.Do not add
friction modier.
Manual
Transfer CaseDEXRON
®-III Automatic
Transmission Fluid.
Automatic
Transfer Case
(Four-Wheel
Drive)AUTO-TRAK II Fluid
(GM Part No. U.S. 12378508, in
Canada 10953626).
6-14

Usage Fluid/Lubricant
Transfer Case
(All-Wheel
Drive)DEXRON
®-III Automatic
Transmission Fluid.
Front Axle
Propshaft
Spline or
One-Piece
Propshaft
Spline
(Two-Wheel
Drive with Auto.
Trans.)Spline Lubricant, Special Lubricant
(GM Part No. U.S. 12345879, in
Canada 10953511) or lubricant
meeting requirements of
GM 9985830.
Rear Driveline
Center SplineChassis Lubricant
(GM Part No. U.S. 12377985, in
Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Hood HingesMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Usage Fluid/Lubricant
Body Door
Hinge Pins,
Tailgate Hinge
and Linkage,
Folding Seats
and Fuel
Door HingeMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Tailgate Handle
Pivot Points,
Hinges, Latch
Bolt and
LinkageMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Weatherstrip
ConditioningDielectric Silicone Grease
(GM Part No. U.S. 12345579, in
Canada 992887).
Weatherstrip
SqueaksSynthetic Grease with Teon,
Superlube (GM Part No.
U.S. 12371287, in
Canada 10953437).
6-15