Recommended Fluids andLubricantsFluids and lubricants identified below by name, partnumber, or specification can be obtained from yourdealer/retailer.Usage Fluid/LubricantEngine OilThe engine requires a specialengine oil meeting GM StandardGM4718M. Oils meeting thisstandard can be identified assynthetic, and should also beidentified with the AmericanPetroleum Institute (API) Certifiedfor Gasoline Engines starburstsymbol. However, not all syntheticAPI oils with the starburst symbolwill meet this GM standard. Look forand use only oil that meets GMStandard GM4718M. For the properviscosity, see Engine Oil onpage 6-15Engine Coolant50/50 mixture of clean, drinkablewater and use only DEX-COOL®Coolant. See Engine Coolant onpage 6-26.Usage Fluid/LubricantHydraulic BrakeSystemDelco® Supreme 11 Brake Fluid orequivalent DOT-3 brake fluid.WindshieldWasher Optikleen® Washer Solvent.Power SteeringSystemGM Power Steering Fluid(GM Part No. U.S. 89021184, inCanada 89021186).AutomaticTransmissionDEXRON ® -VI AutomaticTransmission Fluid.Key LockCylindersMulti-Purpose Lubricant, Superlube(GM Part No. U.S. 12346241, inCanada 10953474).ChassisLubricationChassis Lubricant (GM PartNo. U.S. 12377985, inCanada 88901242) or lubricantmeeting requirements of NLGI #2,Category LB or GC-LB.Front andRear AxleSAE 75W-90 Synthetic AxleLubricant (GM PartNo. U.S. 89021677, inCanada 89021678) meeting GMSpecification 9986115.Transfer Case DEXRON ® -VI AutomaticTransmission Fluid.7-13