GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - crc - 5/11/17
Service and Maintenance
441
Usage
Fluid/Lubricant
Front Axle
–
Four-Wheel Drive
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88900401, in
Canada 89021678).
Hydraulic Brake System
DOT 3 Hydraulic Brake Fluid (GM Part No. 19353126, in
Canada 19299819).
Hydraulic Power Steering System
(2500/3500 Series Only)
GM Power Steering Fluid (GM Part No. 19329450, in Canada 19329451).
Key Lock Cylinders, Hood Hinges,
Body Door Hinge Pins, Tailgate
Hinge and Linkage, Fuel Door Hinge,
Tailgate Handle Pivot Points, Hinges,
Latch Bolt, and Linkage
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Rear Axle (1500 Series)
SAE 75W-85 Synthetic Axle Lubricant (GM Part No. 19300457, in
Canada 19300458).
Rear Axle (2500/3500 Series)
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88900401, in
Canada 89021678).
Transfer Case (Four-Wheel Drive)
DEXRON-VI Automatic Transmission Fluid.
Weatherstrip Conditioning
Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or
Dielectric Silicone Grease (GM Part No. 12345579, in Canada 10953481).
Weatherstrip Squeaks
Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in
Canada 10953437).
Windshield Washer
Automotive windshield washer fluid that meets regional freeze protection
requirements.