GMC 2011 Sierra Denali Owner's Manual page 452

11-8 Service and Maintenance
Usage
Hydraulic Power Steering System
Automatic Transmission
Floor Shift Linkage
Chassis Lubrication
Key Lock Cylinders
Front and Rear Axle
Transfer Case
GM Power Steering Fluid (GM Part No. U.S. 89021184,
in Canada 89021186).
®
DEXRON -VI Automatic Transmission Fluid.
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 Lubricant (GM Part No. U.S. 12377985, in Canada 88901242) or
lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241,
in Canada 10953474).
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 89021677,
in Canada 89021678).
®
DEXRON -VI Automatic Transmission Fluid.
Fluid/Lubricant