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GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 2/11/15
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 and/or an
Allison Transmission, 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
®
specification of the proper SAE
viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. See
Engine Oil on page 10-8
.
Engine Coolant
50/50 mixture of clean, drinkable water and use only DEX-COOL
®
coolant.
See
Engine Coolant on page 10-18
.
Hydraulic Brake System
DOT 3 Hydraulic Brake Fluid (GM Part No. 19299818, in
Canada 19299819).
Windshield Washer
Automotive windshield washer fluid that meets regional freeze protection
requirements.
Hydraulic Power Steering System
(HD Only)
GM Power Steering Fluid (GM Part No. 89021185, in Canada 89021186).
Automatic Transmission (All except
6.2L with 8-Speed transmission)
DEXRON
®
-VI Automatic Transmission Fluid.