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7-54
Part D: Recommended Fluids
and Lubricants
NOTE: 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.
USAGE FLUID/LUBRICANT
Engine Oil
(Diesel Engine)
Engine Oil with the letters CH-4
or CG
-4 is best for your vehicle.
The CH
-4 or CG-4 designation
may appear either alone, or in
combination with other API
designations, such as API CH
-4/SJ,
CG
-4/SH or CH-4/CG-4/SJ. These
letters show American Petroleum
Institute (API) levels of quality. To
determine the preferred viscosity
for your vehicle’s diesel engine,
see “Engine Oil” in the Index.
Engine Coolant 50/50 mixture of clean,
drinkable water and use only GM
Goodwrench
R
DEX-COOL
R
or
Havoline
R
DEX-COOL
R
Coolant.
See “Engine Coolant” in the Index.
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