GMC 2007 Sierra 1500 Pickup Owner's Manual page 631

Usage
SAE 75W-90 Synthetic Axle
Lubricant
Rear Axle (GM Part No. U.S. 12378261,
in Canada 10953455) meeting
GM Specification 9986115.
Manual Transmission Fluid
Manual
(GM Part No. U.S. 88861800,
Transfer Case
in Canada 88861801).
AUTO-TRAK II Fluid
Automatic
(GM Part No. U.S. 12378508,
Transfer Case
in Canada 10953626).
Front Axle
Propshaft
Spline or Spline Lubricant, Special Lubricant
One-Piece (GM Part No. U.S. 12345879,
Propshaft in Canada 10953511) or lubricant
Spline meeting requirements of
(Two-Wheel GM 9985830.
Drive with Auto.
Trans.)
Chassis Lubricant
(GM Part No. U.S. 12377985,
Rear Driveline
in Canada 88901242) or lubricant
Center Spline
meeting requirements of NLGI #2,
Category LB or GC-LB.
Fluid/Lubricant Usage
Multi-Purpose Lubricant, Superlube
Hood Hinges (GM Part No. U.S. 12346241,
in Canada 10953474).
Body Door
Hinge Pins,
Tailgate Hinge Multi-Purpose Lubricant, Superlube
and Linkage, (GM Part No. U.S. 12346241,
Folding Seats, in Canada 10953474).
and Fuel Door
Hinge
Tailgate Handle
Pivot Points, Multi-Purpose Lubricant, Superlube
Hinges, Latch (GM Part No. U.S. 12346241,
Bolt, and in Canada 10953474).
Linkage
Weatherstrip Lubricant
(GM Part No. U.S. 3634770,
Weatherstrip in Canada 10953518) or Dielectric
Conditioning Silicone Grease
(GM Part No. U.S. 12345579,
in Canada 992887).
Synthetic Grease with Teflon,
Weatherstrip Superlube
Squeaks (GM Part No. U.S. 12371287,
in Canada 10953437).
Fluid/Lubricant
631