GMC 2012 Sierra Series Owner's Manual page 522

11-14 Service and Maintenance
Usage Fluid/Lubricant
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Hood Hinges
Canada 10953474).
Body Door Hinge Pins, Tailgate
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Hinge and Linkage, and Fuel Door
Canada 10953474).
Hinge
Tailgate Handle Pivot Points, Hinges, Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Latch Bolt, and Linkage Canada 10953474).
Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or
Weatherstrip Conditioning
Dielectric Silicone Grease (GM Part No. 12345579, in Canada 992887).
Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in
Weatherstrip Squeaks
Canada 10953437).
I n f o r ma t i o n P r o v i d e d b y :