GMC Chevrolet Tahoe 2011 Owner's Manual page 481

Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer.
Usage
Engine Oil
Engine Coolant
Hydraulic Brake System
Windshield Washer
Power Steering System
Automatic Transmission
Key Lock Cylinders
Chassis Lubrication
Fluid/Lubricant
The engine requires engine oil approved to the dexos specification.
Oils meeting this specification can be identified with the dexos certification
mark. Look for and use only an engine oil that displays the dexos
certification mark of the proper viscosity grade. See Engine Oil on
page 10 8.
50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.
See Engine Coolant on page 10 17.
DOT 3 Hydraulic Brake Fluid (GM Part No. 12377967,
in Canada 89021320).
®
Optikleen Washer Solvent.
GM Power Steering Fluid (GM Part No. 89021184, in Canada 89021186).
®
DEXRON
-VI Automatic Transmission Fluid.
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241,
in Canada 10953474).
Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or
lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Service and Maintenance 11-7