11-8 Service and Maintenance
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
This maintenance section applies to vehicles with a gasoline engine. If the vehicle has a diesel engine, see the
maintenance schedule section in the Duramax Diesel Supplement.
Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer.
Usage Fluid/Lubricant
Engine Oil
The engine requires engine oil approved to the dexos™ specification.
Oils meeting this specification can be identified with the dexos™
certification mark. Look for and use only an engine oil that displays the
dexos™ certification mark of the proper viscosity grade. See Engine Oil on
page 10‑10.
Engine Coolant
50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.
See Engine Coolant on page 10‑22.
Hydraulic Brake System
DOT 3 Hydraulic Brake Fluid (GM Part No. 12377967, in
Canada 89021320).
Windshield Washer Optikleen
®
Washer Solvent.
Parking Brake Cable Guides
Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or
lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Power Steering System GM Power Steering Fluid (GM Part No. 89021184, in Canada 89021186).
Automatic Transmission DEXRON
®
‐VI Automatic Transmission Fluid.
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