Chevrolet Silverado 2015 Owner's Manual page 497

11-14 Service and Maintenance
Usage
Front Axle Driveshaft Splines (All
4WD 1500/2500/3500 Series) and
Rear Axle Driveshaft Splines (All
2WD 1500 Series with Automatic
Transmission)
Rear Driveline Center Spline
(Two-Piece Driveshaft)
Hood Hinges
Body Door Hinge Pins, Tailgate
Hinge and Linkage, and Fuel Door
Hinge
Tailgate Handle Pivot Points, Hinges,
Latch Bolt, and Linkage
Weatherstrip Conditioning
Weatherstrip Squeaks
Spline Lubricant, Special Lubricant (GM Part No. 19257121, in
Canada 19257122).
Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or
lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or
Dielectric Silicone Grease (GM Part No. 12345579, in Canada 10953481).
Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in
Canada 10953437).
Fluid/Lubricant