GMC 2011 Sierra Denali, Owner'S Manual, Page: 453 / 492

Service and Maintenance 11-9
Usage Fluid/Lubricant
Front Axle Propshaft Spline
Spline Lubricant, Special Lubricant (GM Part No. U.S. 12345879,
in Canada 10953511).
Hood Hinges
Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241,
in Canada 10953474).
Body Door Hinge Pins, Tailgate Hinge
and Linkage, Folding Seats, and
Fuel Door Hinge
Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241,
in Canada 10953474).
Tailgate Handle Pivot Points, Hinges,
Latch Bolt, and Linkage
Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241,
in Canada 10953474).
Weatherstrip Conditioning
Weatherstrip Lubricant (GM Part No. U.S. 3634770, in Canada 10953518)
or Dielectric Silicone Grease (GM Part No. U.S. 12345579,
in Canada 992887).
Weatherstrip Squeaks
Synthetic Grease with Teflon, Superlube (GM Part No. U.S. 12371287,
in Canada 10953437).