GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - crc - 5/11/17
440
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
“
Recommended Fluids and Lubricants
”
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
Automatic Transmission (6-Speed
Transmission)
DEXRON-VI Automatic Transmission Fluid.
Automatic Transmission (8-Speed
Transmission)
DEXRON-HP Automatic Transmission Fluid (GM Part No. 19331925, in
Canada 19300537).
Chassis Lubrication
Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or
lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Engine Coolant
50/50 mixture of clean, drinkable water and use only DEX-COOL coolant.
See
.
Engine Oil
Engine oil meeting the dexos1 specification of the proper SAE viscosity
grade. ACDelco dexos1 is recommended. See
.
Floor Shift Linkage
Lubriplate Lubricant Aerosol (GM Part No. 89021668, in Canada 89021674)
or lubricant meeting requirements of NLGI #2 Category LB or GC-LB.
Front Axle Driveshaft Splines (All
1500/2500/3500 Series) and Rear
Axle Driveshaft Splines (All 1500
Series)
Spline Lubricant, Special Lubricant (GM Part No. 19257121, in
Canada 19257122).