2004 GMC Sierra 1500 Pickup Owner's Manual - Page 552

Usage Automatic Transfer Case Front Axle Propshaft Spline or One-Piece Propshaft Spline (Two-Wheel Drive with Auto. Trans.) Rear Driveline Center Spline Fluid/Lubricant AUTO-TRAK II Fluid (GM Part No. U.S. 12378508, in Canada 10953626). Spline Lubricant, Special Lubricant (GM Part No. U.S. 12345879, in Canada 10953511) or lubricant meeting requirements of GM 9985830. Chassis Lubricant (GM Part No. U.S. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB. Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474). Usage Body Door Hinge Pins, Tailgate Hinge and Linkage, Folding Seats and Fuel Door Hinge Tailgate Handle Pivot Points, Hinges, Latch Bolt and Linkage Weatherstrip Conditioning Weatherstrip Squeaks Fluid/Lubricant Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474). Multi-Purpose Lubricant, Superlube (GM Part No. U.S 12346241, in Canada 10953474). Dielectric Silicone Grease (GM Part No. U.S. 12345579, in Canada 992887). Synthetic Grease with Teflon, Superlube (GM Part No. U.S. 12371287, in Canada 10953437). Hood Hinges 6-16