2008 CHEVROLET SILVERADO oil

Recommended Fluids and
Lubricants
This maintenance section applies to vehicles with a
gasoline engine. If your vehicle has a diesel engine, see
the maintenance schedule section in the DURAMAX
®
Diesel manual.
Fluids and lubricants identied below by name, part
number, or specication can be obtained from your
dealer/retailer.
Usage Fluid/Lubricant
Engine OilEngine oil which meets GM
Standard GM6094M and displays
the American Petroleum Institute
Certied for Gasoline Engines
starburst symbol. To determine the
proper viscosity for your vehicle’s
engine, seeEngine Oil (Gasoline
Engine) on page 5-15.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
coolant. SeeEngine Coolant on
page 5-29.
Hydraulic Brake
SystemDelco
®Supreme 11 Brake Fluid or
equivalent DOT-3 brake uid.
Windshield
WasherOptikleen
®Washer Solvent.
Usage Fluid/Lubricant
Power Steering
SystemGM Power Steering Fluid
(GM Part No. U.S. 89021184, in
Canada 89021186).
Automatic
TransmissionDEXRON
®-VI 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.
Front Axle
(1500 Series) -
Four-Wheel
DriveSAE 80W-90 Axle Lubricant
(GM Part No. U.S. 89021671, in
Canada 89021672).
Front Axle
(1500 HD,
1500 AWD,
2500, 2500 HD,
and
3500 Series)SAE 75W-90 Synthetic
Axle Lubricant
(GM Part No. U.S. 89021677, in
Canada 89021678) meeting GM
Specication 9986115.
6-14

Maintenance Replacement Parts
Replacement parts identied below by name, part number, or specication can be obtained from your dealer/retailer.
If your vehicle has the DURAMAX
®diesel engine, see the DURAMAX®Diesel manual for more information.
Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter
High Capacity 15908915 A3085C
Standard 15908916* A3086C*
Oil Filter
4.3L V6 25010792 PF47
4.8L V8; 5.3L V8; 6.0L V8 89017524 PF48
Spark Plugs
4.3L V6 89017883 41-932
4.8L V8; 5.3L V8; 6.0L V8 12571164 41-985
Wiper Blades – 21.6 inches (55.0 cm) 25877402 —
*15908915 (A3085C) high-capacity air cleaner lter may be substituted.
6-16

E
EDR .............................................................7-16
Electrical System
Add-On Equipment.....................................5-125
Center Instrument Panel Fuse Block.............5-128
Fuses and Circuit Breakers.........................5-125
Instrument Panel Fuse Block.......................5-126
Power Windows and Other Power Options....5-125
Underhood Fuse Block...............................5-129
Windshield Wiper Fuses.............................5-125
Electronic Immobilizer
PASS-Key
®III+...........................................2-20
Electronic Immobilizer Operation
PASS-Key
®III+...........................................2-20
Engine
Air Cleaner/Filter.........................................5-20
Check and Service Engine Soon Light............3-49
Coolant......................................................5-29
Coolant Heater............................................2-27
Coolant Temperature Gage...........................3-48
Drive Belt Routing.......................................6-17
Engine Compartment Overview......................5-14
Exhaust.....................................................2-54
Fan Noise..................................................5-40
Fast Idle System.........................................2-25
Oil .............................................................5-15
Oil Life System...........................................5-18
Overheated Protection Operating Mode...........5-34Engine (cont.)
Overheating................................................5-32
Starting......................................................2-24
Entry Lighting.................................................3-21
Event Data Recorders.....................................7-17
Exit Lighting...................................................3-21
Extender, Safety Belt.......................................1-35
Exterior Lamps...............................................3-17
F
Fast Idle System............................................2-25
Filter
Engine Air Cleaner......................................5-20
Finish Damage.............................................5-122
Fixed Mast Antenna.......................................3-134
Flashers, Hazard Warning.................................. 3-8
Flash-to-Pass.................................................3-11
Flat Tire........................................................5-93
Flat Tire, Changing.........................................5-94
Flat Tire, Storing...........................................5-110
Fluid
Automatic Transmission........................5-22, 5-26
Power Steering...........................................5-41
Windshield Washer......................................5-42
Fog Lamp
Fog ...........................................................3-20
Fog Lamp Light..............................................3-53
Four-Wheel Drive....................................2-36, 5-54
5

Four-Wheel-Drive Light....................................3-54
Front Axle......................................................5-56
Fuel............................................................... 5-6
Additives...................................................... 5-7
California Fuel.............................................. 5-7
E85 (85% Ethanol)........................................ 5-8
Filling a Portable Fuel Container....................5-12
Filling the Tank...........................................5-10
Fuels in Foreign Countries.............................. 5-9
Gage .........................................................3-55
Gasoline Octane........................................... 5-6
Gasoline Specications.................................. 5-6
Low Warning Light.......................................3-56
Running Out of...........................................2-54
Fuses
Center Instrument Panel Fuse Block.............5-128
Fuses and Circuit Breakers.........................5-125
Instrument Panel Fuse Block.......................5-126
Underhood Fuse Block...............................5-129
Windshield Wiper.......................................5-125G
Gage
Engine Coolant Temperature.........................3-48
Fuel..........................................................3-55
Oil Pressure...............................................3-52
Speedometer..............................................3-38
Tachometer.................................................3-38
Voltmeter Gage...........................................3-45
Garage Door Opener.......................................2-71
Gasoline
Octane........................................................ 5-6
Specications............................................... 5-6
Glove Box.....................................................2-78
GM Mobility Reimbursement Program.................. 7-6
6

L
Labeling, Tire Sidewall.....................................5-69
Lamps
Auxiliary Roof Mounted Lamp........................3-20
Cargo........................................................3-22
Dome ........................................................3-21
Dome Lamp Override...................................3-21
Puddle.......................................................3-20
Reading.....................................................3-22
Lap Belt ........................................................1-34
Lap-Shoulder Belt...........................................1-28
LATCH System
Child Restraints...........................................1-45
Latches, Seatback..........................................1-12
License Plate Lamps.......................................5-66
Light
Airbag Off..................................................3-41
Airbag Readiness........................................3-40
Anti-lock Brake System (ABS) Warning...........3-47
Brake System Warning.................................3-46
Charging System.........................................3-45
Cruise Control.............................................3-54
Fog Lamp ..................................................3-53
Four-Wheel-Drive.........................................3-54
Highbeam On.............................................3-54
Low Fuel Warning.......................................3-56
Malfunction Indicator....................................3-49
Oil Pressure...............................................3-53
Passenger Airbag Status Indicator..................3-43Light (cont.)
Safety Belt Reminders..................................3-39
Security.....................................................3-53
StabiliTrak®Indicator....................................3-48
Tire Pressure..............................................3-49
Tow/Haul Mode ...........................................3-54
Lighting
Entry.........................................................3-21
Exit...........................................................3-21
Lights
Exterior Lamps............................................3-17
Flash-to-Pass..............................................3-11
High/Low Beam Changer..............................3-10
On Reminder..............................................3-18
Loading Your Vehicle.......................................4-36
Locking Rear Axle............................................ 4-5
Lockout Protection..........................................2-12
Locks
Delayed Locking..........................................2-11
Door ..........................................................2-10
Lockout Protection.......................................2-12
Power Door................................................2-10
Programmable Automatic Door Locks.............2-11
Rear Door Security Locks.............................2-11
Loss of Control...............................................4-11
Low Fuel Warning Light...................................3-56
Luggage Carrier..............................................2-79
Lumbar
Manual Controls............................................ 1-4
Power Controls............................................. 1-4
8

O
Odometer......................................................3-38
Odometer, Trip...............................................3-38
Off-Road Driving.............................................4-12
Off-Road Recovery..........................................4-10
Oil
Engine.......................................................5-15
Pressure Gage............................................3-52
Pressure Light.............................................3-53
Oil, Engine Oil Life System..............................5-18
Older Children, Restraints................................1-35
Online Owner Center........................................ 7-4
OnStar, Privacy..............................................7-18
OnStar
®System, see OnStar®Manual...............2-67
Operation, Universal Home Remote System........2-71
Other Warning Devices...................................... 3-8
Outlet Adjustment............................................3-35
Outlets
Accessory Power.........................................3-23
Outside
Manual Mirrors............................................2-59
Power Foldaway Mirrors...............................2-62
Power Mirrors.............................................2-61
Towing Mirrors............................................2-60
Overheated Engine Protection Operating Mode....5-34
Owner Checks and Services.............................6-10
Owners, Canadian............................................... ii
P
Paint, Damage..............................................5-122
Park
Shifting Into................................................2-51
Shifting Out of............................................2-53
Park Aid........................................................2-64
Park Brake....................................................2-50
Parking
Assist........................................................2-64
Over Things That Burn.................................2-53
Passenger Airbag Status Indicator.....................3-43
Passenger Sensing System..............................1-81
Passing.........................................................4-11
PASS-KEY
®III+ Electronic Immobilizer...............2-20
PASS-Key®III+ Electronic Immobilizer
Operation...................................................2-20
Perchlorate Materials Requirements, California...... 5-5
Pickup Conversion to Chassis Cab....................4-50
Power
Door Locks.................................................2-10
Electrical System.......................................5-125
Lumbar Controls........................................... 1-4
Retained Accessory (RAP)............................2-24
Seat............................................................ 1-3
Sliding Rear Window....................................2-17
Steering Fluid.............................................5-41
Windows....................................................2-16
10