2001 GMC Sierra 1500 Pickup Owner's Manual - Page 452

USAGE Rear Driveline Center Spline FLUID/LUBRICANT Chassis Lubricant (GM Part No. 12377985 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. USAGE Body Door Hinge Pins, Tailgate Hinge and Linkage, Folding Seat and Fuel Door Hinge Tailgate Handle Pivot Points, Hinges, Latch Bolt and Linkage Weatherstrip Conditioning Weatherstrip Squeaks FLUID/LUBRICANT Multi-Purpose Lubricant, SuperlubeR (GM Part No. 12346241 or equivalent). Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor and Release Pawl Hood Hinges LubriplateR Lubricant Aerosol (GM Part No. 12346293 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. Multi-Purpose Lubricant, SuperlubeR (GM Part No. 12346241 or equivalent). Multi-Purpose Lubricant, SuperlubeR (GM Part No. 12346241 or equivalent). Dielectric Silicone Grease (GM Part No. 12345579 or equivalent). Synthetic Grease with Teflon, SuperlubeR (GM Part No. 12371287 or equivalent). 7-27