GMC Sierra Denali 2006, Owner'S Manual, Page: 403 / 438

Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name, part
number, or specification may be obtained from
your dealer.
Usage Fluid/Lubricant
Engine Oil
Engine oil which meets
GM Standard GM6094M and
displays the American Petroleum
Institute Certified for Gasoline
Engines starburst symbol.
GM Goodwrench
®
oil meets all
the requirements for your vehicle.
To determine the proper viscosity for
your vehicle’s engine, see Engine
Oil on page 5-12.
Engine Coolant
50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. See Engine Coolant on
page 5-22.
Hydraulic Brake
System
Delco
®
Supreme 11 Brake Fluid or
equivalent DOT-3 brake fluid.
Windshield
Washer
GM Optikleen
®
Washer Solvent.
Usage Fluid/Lubricant
Power Steering
System
GM Power Steering Fluid
(GM Part No. U.S. 89021184, in
Canada 89021186).
Automatic
Transmission
DEXRON
®
-VI Automatic
Transmission Fluid.
Key Lock
Cylinders
Multi-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Floor Shift
Linkage
Lubriplate Lubricant Aerosol
(GM Part No. U.S. 12346293, in
Canada 992723) or lubricant
meeting requirements of NLGI #2
Category LB or GC-LB.
Chassis
Lubrication
Chassis Lubricant
(GM Part No. U.S. 12377985, in
Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Front and
Rear Axle
SAE 75W-90 Synthetic
Axle Lubricant
(GM Part No. U.S. 12378261,
in Canada 10953455) meeting
GM Specification 9986115.
6-13