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 and/or an
Allison Transmission, 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 10‑8.
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).
Hydraulic Clutch System
DOT 3 Hydraulic Brake Fluid (GM Part No. 12377967,
in Canada 89021320).
Windshield Washer Optikleen
®
Washer Solvent.
Power Steering System GM Power Steering Fluid (GM Part No. 89021184, in Canada 89021186).
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