Recommended Fluids andLubricantsFluids and lubricants identified below by name,part number, or specification may be obtainedfrom your dealer.Usage Fluid/LubricantEngine OilThe engine requires a specialengine oil meeting GM StandardGM4718M. Oils meeting thisstandard may be identified assynthetic, and should also beidentified with the AmericanPetroleum Institute Certified forGasoline Engines starburst symbol.However, not all synthetic API oilswith the starburst symbol will meetthis GM standard. You shouldlook for and use only an oil thatmeets GM Standard GM4718M.GM Goodwrench® oil meets allthe requirements for your vehicle.For the proper viscosity, seeEngine Oil on page 346.Engine Coolant50/50 mixture of clean, drinkablewater and use only DEX-COOL®Coolant. See Engine Coolanton page 357.Usage Fluid/LubricantHydraulic BrakeSystemDelco® Supreme 11 Brake Fluid orequivalent DOT-3 brake fluid.WindshieldWasher GM Optikleen® Washer Solvent.HydraulicClutch SystemHydraulic Clutch Fluid. Use onlyGM Part No. U.S. 88958860,in Canada 88901244, Super DOT-4brake fluid.Parking BrakeCable GuidesChassis Lubricant(GM Part No. U.S. 12377985, inCanada 88901242) or lubricantmeeting requirements of NLGI #2,Category LB or GC-LB.Power SteeringSystemGM Power Steering Fluid(GM Part No. U.S. 89021184,in Canada 89021186).ManualTransmission(CTS)SAE 75W-90 Gear Oil(GM Part No. U.S. 89021806,in Canada 89021807).ManualTransmission(CTS-V)DEXRON® -VI AutomaticTransmission Fluid.AutomaticTransmission DEXRON® -VI AutomaticTransmission Fluid.474
