2001 GMC Savana Van Owner's Manual - Page 396

USAGE Rear Axle (Locking Differential) Propshaft Splines and Universal Joints FLUID/LUBRICANT Axle Lubricant; use only GM Part No. 1052271. Do not add friction modifier. Chassis Lubricant (GM Part No. 12377985 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. Spline Lubricant, Special Lubricant (GM Part No. 12345879) or lubricant meeting requirements of GM 9985830. USAGE Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor and Release Pawl Hood Hinges FLUID/LUBRICANT 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). Dielectric Silicone Grease (GM Part No. 12345579 or equivalent). Synthetic Grease with Teflon, SuperlubeR (GM Part No. 12371287 or equivalent). One-Piece Propshaft Spline Weatherstrip Conditioning Weatherstrip Squeaks 7-57