GMC 2012 GMC Sierra Denali, Owner'S Manual, Page: 450 / 502

Black plate (12,1)
GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11
11-12 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, 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
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 10 ‑ 7 .
Engine Coolant
50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.
See
Engine Coolant on page 10 ‑ 17
Hydraulic Brake System
DOT 3 Hydraulic Brake Fluid (GM Part No. 12377967, in
Canada 89021320).
Windshield Washer
Automotive windshield washer fluid that meets regional freeze protection
requirements.
Hydraulic Power Steering System GM Power Steering Fluid (GM Part No. 89021184, in Canada 89021186).
Automatic Transmission DEXRON®-VI Automatic Transmission Fluid.
Floor Shift Linkage
Lubriplate Lubricant Aerosol (GM Part No. 12346293, in Canada 992723)
or lubricant meeting requirements of NLGI #2 Category LB or GC-LB.