GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13690468) - 2021 - CRC - 2/18/20
Service and Maintenance
393
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
“
Recommended Fluids and Lubricants
”
in the Duramax diesel supplement.
Fluids and lubricants identified below by name or specification, including fluids or lubricants not listed here, can be obtained from your dealer.
Usage
Fluid/Lubricant
Automatic Transmission
DEXRON ULV Automatic Transmission Fluid.
Chassis Lubrication
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
full synthetic is recommended. See
Front Axle (4WD Only) and Rear Axle.
See your dealer.
Hydraulic Brake System
DOT 4 Hydraulic Brake Fluid.
Key Lock Cylinders, Hood Hinges, Body Door
Hinge Pins, Power Assist Steps, Liftgate Hinge,
and Fuel Door Hinge
Multi-Purpose Lubricant, Superlube. See your dealer.
Transfer Case (4WD Only)
See your dealer.
Weatherstrip Conditioning
Weatherstrip lubricant. See your dealer.
Windshield Washer
Automotive windshield washer fluid that meets regional freeze protection requirements.