419 . . .––––Section 4■ RECOMMENDED FLUIDS AND LUBRICANTSUSAGE FLUID / LUBRICANTEngine Oil To determine the needed oil quality and viscosity for your vehicle's engine, see"Engine Oil" earlier in this section.Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL® coolant. See"Engine Coolant" earlier in this section.Intercooler System(CTS-V Model Only) 50/50 mixture of clean, drinkable water and use only DEX-COOL® coolant.Hydraulic BrakeSystem Delco Supreme 11® brake fluid or equivalent DOT-3 brake fluid.Windshield WasherSolvent GM Optikleen® washer solvent.Hydraulic ClutchSystemHydraulic clutch fluid (GM part no. 88958860, Super DOT-4 brake fluid).Parking Brake CableGuidesChassis lubricant meeting requirements of NLGI grade 2, category LB or GC-LB(GM part no. 12377985 or equivalent).Power SteeringSystemGM power steering fluid (GM part no. 89021184).Manual Transmission(CTS Model Only)SAE 75W-90-GL5 Gear Oil (GM part no. 88862475).AKENG40_CTS Page 419 Wednesday, July 23, 2008 11:47 AM
