2002 GMC Savana Van Owner's Manual - Page 396

USAGE FLUID/LUBRICANT USAGE Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor and Release Pawl Hood Hinges FLUID/LUBRICANT Rear Axle Axle Lubricant; use only GM (2500 and Part No. 1052271. Do not add 3500 Series friction modifier. with Locking Differential Only) Propshaft Splines and Universal Joints 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. 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