2002 GMC Envoy Owner's Manual - Page 402

USAGE Key Lock Cylinders Chassis Lubrication FLUID/LUBRICANT Multi-Purpose Lubricant, SuperlubeR (GM Part No. 12346241 or equivalent). Chassis Lubricant (GM Part No. 12377985 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 12378261) or equivalent meeting GM Specification 9986115. AUTO-TRAK II Fluid (GM Part No. 12378508). USAGE Rear Driveline Center Spline and Universal Joints Constant Velocity Universal Joint FLUID/LUBRICANT Chassis Lubricant (GM Part No. 12377985 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. Chassis Lubricant (GM Part No. 12377985 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. Front and Rear Axle Automatic Transfer Case Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor and Release Pawl LubriplateR Lubricant Aerosol (GM Part No. 12346293 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. 7-23