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7-27
Part C: Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name,
part number or specification may be obtained from
your dealer.
USAGE
FLUID/LUBRICANT
Engine Oil
(Gasoline
Engine)
Engine oil with the American
Petroleum Institute Certified for
Gasoline Engines starburst symbol
of the proper viscosity. To
determine the preferred viscosity
for your vehicle’s engine, see
“Engine Oil” in the Index.
Engine Oil
(Caterpillar
Diesel Engine)
See the Caterpillar
R
Operation &
Maintenance Manual for engine
oil recommendations.
USAGE
FLUID/LUBRICANT
Engine Coolant
(Gasoline
Engine &
DURAMAX
t
Diesel)
50/50 mixture of clean, drinkable
water and use only DEX
-
COOL
R
Coolant. See “Engine Coolant” in
the Index.
Engine Coolant
(Caterpillar
Diesel Engine)
See the Caterpillar
R
Operation &
Maintenance Manual for engine
coolant recommendations.
Hydraulic Brake
System
Delco Supreme 11
R
Brake Fluid
or equivalent DOT
-
3 brake fluid.
Windshield
Washer Solvent
GM Optikleen
R
Washer Solvent
or equivalent.
Clutch Bearing
Lubricant
Clutch Bearing Lubricant
(GM Part No. 12378484 or
equivalent NLGI #3 consistency).
Summary of Contents for 2003 C4C042
Page 1: ......
Page 6: ...v Here are some examples of symbols you may find on your vehicle ...
Page 66: ...1 59 United States Canada ...
Page 143: ...2 68 The Instrument Panel Your Information System ...
Page 302: ...6 48 Single Axle Models ...
Page 329: ...6 75 GM Vehicle Care Appearance Materials ...
Page 377: ...7 31 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED ...
Page 378: ...7 32 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED ...
Page 379: ...7 33 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED ...
Page 380: ...7 34 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED ...