GMC Sierra Denali 2006 Owner's Manual page 404

Usage
DEXRON
Transmission Fluid. Look for
Transfer Case
"Approved for the H-Specification"
on the label.
Chassis Lubricant
(GM Part No. U.S. 12377985, in
Rear Driveline
Canada 88901242) or lubricant
Center Spline
meeting requirements of NLGI #2,
Category LB or GC-LB.
Spline Lubricant, Special Lubricant
Front Axle (GM Part No. U.S. 12345879, in
Propshaft Canada 10953511) or lubricant
Spline meeting requirements of
GM 9985830.
Multi-Purpose Lubricant, Superlube
Hood Hinges (GM Part No. U.S. 12346241, in
Canada 10953474).
6-14
Fluid/Lubricant
®
-III Automatic
Usage
Body Door
Hinge Pins,
Tailgate Hinge Multi-Purpose Lubricant, Superlube
and Linkage, (GM Part No. U.S. 12346241, in
Folding Seats, Canada 10953474).
and Fuel Door
Hinge
Tailgate Handle
Pivot Points, Multi-Purpose Lubricant, Superlube
Hinges, Latch (GM Part No. U.S. 12346241, in
Bolt, and Canada 10953474).
Linkage
Dielectric Silicone Grease
Weatherstrip
(GM Part No. U.S. 12345579, in
Conditioning
Canada 992887).
Synthetic Grease with
Weatherstrip Teflon, Superlube
Squeaks (GM Part No. U.S. 12371287, in
Canada 10953437).
Fluid/Lubricant