Part C: Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name, part
number, or specification can be obtained from your
dealer/retailer.
Usage Fluid/Lubricant
Engine Oil
(Gasoline
Engine)Engine oil which meets
GM Standard GM6094M and
displays the American Petroleum
Institute (API) Certified for Gasoline
Engines starburst symbol. To
determine the proper viscosity for
your vehicle’s engine, see “Engine
Oil” in the Index.
Engine Oil
(DURAMAX
®/
Isuzu Diesel
Engines)Engine oils with the letters CJ-4 are
required for your vehicle. The CJ-4
designation can appear either alone
or in combination with other
American Petroleum Institute (API)
designations, such as API CJ-4/SL.
These letters show API levels of
quality. To determine the preferred
viscosity for your vehicle’s diesel
engine, see “Engine Oil” in the Index.
Engine Oil
(Caterpillar
®
Diesel Engine)See the Caterpillar
®Operation &
Maintenance Manual for engine oil
recommendations.
Usage Fluid/Lubricant
Engine Coolant
(Caterpillar
®
Diesel Engine)See the Caterpillar
®Operation &
Maintenance Manual for engine
coolant recommendations.
Engine Coolant
(Gasoline
Engine &
DURAMAX
®/
Isuzu Diesel
Engines)50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. SeeEngine Coolant
(Caterpillar®Diesel Engines) on
page 5-44orEngine Coolant
(Gas and DURAMAX
®/Isuzu 7.8L
L6 Engines) on page 5-44.
Hydraulic Brake
SystemDelco
®Supreme 11 Brake Fluid or
equivalent DOT-3 brake fluid.
Windshield
Washer SolventOptikleen
®Washer Solvent.
Clutch Bearing
LubricantClutch Bearing Lubricant
(GM Part No. 12378484 or
equivalent NLGI #3 consistency).
Exhaust Brake
Ball Joint Cap
LubricantHigh-Temperature Grease
(GM Part No. U.S. 1051344, in
Canada 903037) or NLGI #3
consistency.
Power Steering
SystemDEXRON
®-VI Automatic
Transmission Fluid.
Manual
TransmissionSynthetic Manual Transmission Fluid
(GM Part No. U.S. 88861952, in
Canada 88861953).
6-31
Exhaust Brake Indicator Light...........................3-40
Exhaust Restrictor...........................................2-22
Extender, Safety Belt.......................................1-28
Exterior Lamps...............................................3-14
F
Filter
Engine Air Cleaner......................................5-39
Filter Minder Gage..........................................3-45
Finish Damage...............................................5-99
Fixed Mast Antenna........................................3-58
Flashers, Hazard Warning.................................. 3-6
Flat Tire........................................................5-92
Fluid.............................................................5-43
Power Steering...........................................5-54
Windshield Washer......................................5-55
Four-Wheel Drive....................................2-32, 5-73
Front Axle......................................................5-74
Front Wheel Bearings with Oil-Filled Hubs..........5-81
Fuel............................................................... 5-7
Additives...................................................... 5-8
Change Filter Warning Light..........................3-44
Diesel Engine Fuel........................................ 5-9
Filling a Portable Fuel Container....................5-21
Filling the Tank...........................................5-20
Filter..........................................................5-78
Filter Replacement.......................................5-18
Fuels in Foreign Countries............................5-19Fuel (cont.)
Gage.........................................................3-43
Gasoline Octane........................................... 5-7
Gasoline Specifications.................................. 5-7
Primary Filter and Water Separator................5-79
Running Out of...........................................2-50
Running Out of Fuel....................................5-17
Secondary Filter and Water Separator/
Heater....................................................5-80
Very Cold Weather Operation........................5-12
Water in Fuel..............................................5-12
Water in Warning Light.................................3-44
What Fuel to Use.......................................... 5-9
Fuses
Fuses and Circuit Breakers.........................5-103
Instrument Panel Fuse Block.......................5-103
Underhood Fuse Block...............................5-106
Windshield Wiper.......................................5-102
G
Gage
Air Pressure...............................................3-46
Check Gages Warning Light..........................3-42
Engine Coolant Temperature.........................3-35
Filter Minder...............................................3-45
Fuel..........................................................3-43
Hourmeter..................................................3-46
Oil Pressure...............................................3-37
5
L
Lamps
Dome........................................................3-16
Marker.......................................................3-16
Reading.....................................................3-17
Lap Belt........................................................1-27
Lap-Shoulder Belt...........................................1-24
LATCH System
Child Restraints...........................................1-40
Light
Airbag Off..................................................3-29
Airbag Readiness........................................3-28
Antilock Brake System Warning.....................3-34
Brake System Warning.................................3-32
Change Engine Oil......................................3-38
Change Fuel Filter Warning..........................3-44
Charging System.........................................3-30
Check Gages Warning.................................3-42
Daytime Running Lamps Indicator..................3-41
Diesel Particulate Filter Warning....................3-45
Differential Lock Indicator..............................3-40
Engine Overspeed Warning...........................3-39
Engine Shutdown Warning............................3-39
Exhaust Brake Indicator................................3-40
Highbeam On.............................................3-41Light (cont.)
Low Coolant Warning...................................3-35
Low Oil Level.............................................3-38
Low Washer Fluid Warning...........................3-42
Malfunction Indicator....................................3-36
Power Take-Off...........................................3-42
Range Inhibit Warning Indicator.....................3-32
Reduced Engine Power................................3-41
Safety Belt Reminders..................................3-27
Service Transmission Warning.......................3-31
Trailer Antilock Brake System Warning............3-34
Wait to Start Indicator..................................3-36
Water in Fuel Warning.................................3-44
Lighting
Entry.........................................................3-17
Lights
Exterior Lamps............................................3-14
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-15
Loading Your Vehicle.......................................4-21
Locks
Door........................................................... 2-6
Power Door.................................................. 2-7
Loss of Control...............................................4-12
Low Coolant Warning Light..............................3-35
Low Washer Fluid Warning Light.......................3-42
7
V
Vehicle
Control........................................................ 4-3
Damage Warnings........................................... iv
Loading......................................................4-21
Symbols......................................................... iv
Vehicle Data Recording and Privacy..................7-11
Vehicle Identification
Number (VIN)............................................5-101
Service Parts Identification Label..................5-102
Ventilation Adjustment......................................3-23
Visors............................................................. 2-9
Voltmeter Gage..............................................3-31
W
Wait to Start Indicator......................................3-36
Warning Lights, Gages and Indicators................3-24
Warnings
Hazard Warning Flashers............................... 3-6
Other Warning Devices.................................. 3-6
Safety and Symbols......................................... iii
Vehicle Damage.............................................. iv
Washer Fluid, Low Warning Light......................3-42
Water
Fuel..........................................................5-12Water in Fuel Warning Light.............................3-44
What Fuel to Use............................................. 5-9
Wheels
Alignment and Tire Balance..........................5-86
Front Bearings with Oil-Filled Hubs................5-81
Loading......................................................5-83
Replacement...............................................5-90
Tightening the Wheel Nuts............................5-86
Where to Put the Restraint...............................1-38
Windows......................................................... 2-8
Manual........................................................ 2-8
Power......................................................... 2-9
Sliding Rear................................................. 2-9
Windshield
Washer......................................................3-10
Washer Fluid..............................................5-55
Wiper Blade Replacement.............................5-76
Wiper Blades, Cleaning................................5-98
Wiper Fuses.............................................5-102
Wipers......................................................... 3-9
Winter Driving................................................4-16
Y
Your Vehicle and the Environment....................... 6-2
12