Service and Maintenance 10-7
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Usage Fluid/Lubricant
Engine Oil
Use only engine oil licensed to the dexos1 specfication, or equivalent, of
the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is
recommended. See Engine Oil on page 9‑9.
Engine Coolant
50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.
See Engine Coolant on page 9‑18.
Fuel Additive GM Fuel System Treatment PLUS (GM Part No. 88861011).
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 88862806).
Windshield Washer Optikleen
®
Washer Solvent.
Hydraulic Power Steering System GM Power Steering Fluid (GM Part No. 89021184).
Hydraulic Clutch System (CTS-V) DOT 4 Hydraulic Clutch Fluid (GM Part No. 88958860).
Manual Transmission (CTS-V) Manual Transmission Fluid (GM Part No. 88861800).
Automatic Transmission DEXRON
®
-VI Automatic Transmission Fluid.
Rear Drive Module and Transfer Case
(All‐Wheel Drive)
Transfer Case Fluid (GM Part No. 88861950).
Chassis Lubrication
Chassis Lubricant (GM Part No. 12377985) or lubricant meeting
requirements of NLGI #2, Category LB or GC-LB.