2008 GMC Acadia Owner's Manual - Page 435

Usage Carrier Assembly - Differential (Rear Drive Module) and Transfer Case (Power Transfer Unit) Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor, and Release Pawl Fluid/Lubricant SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 89021677, in Canada 89021678) meeting GM Specification 9986115. Usage Fluid/Lubricant Hood and Door Multi-Purpose Lubricant, Superlube Hinges (GM Part No. U.S. 12346241, in and Rear Canada 10953474). Folding Seat Weatherstrip Lubricant (GM Part No. Weatherstrip U.S. 3634770, in Canada 10953518) or Dielectric Silicone Grease (GM Conditioning Part No. U.S. 12345579, in Canada 992887). Lubriplate Lubricant Aerosol (GM Part No. U.S. 12346293, in Canada 992723) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB. 6-13