2000 GMC Sierra 1500 Pickup Owner's Manual - Page 404

yellowblue USAGE FLUID/LUBRICANT USAGE Front Axle Rear Axle FLUID/LUBRICANT SAE 80W-90 Axle Lubricant (GM Part No. 1052271 or equivalent). SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 12378261) or equivalent meeting GM Specification 9986115. DEXRONR-III Automatic Transmission Fluid. Manual Synchromesh Transmission Fluid Transmission (GM Part No. 12345349 (5-Speed without or equivalent). Low Gear, RPO MG5) Automatic Transmission Key Lock Cylinders Floor Shift Linkage DEXRONR-III Automatic Transmission Fluid. Multi-Purpose Lubricant, SuperlubeR (GM Part No. 12346241 or equivalent). Manual Transfer Case Automatic Transfer Case Front Axle Propshaft Spline or One-Piece Propshaft Spline (Two-Wheel Drive with Auto. Trans.) Rear Driveline Center Spline LubriplateR Lubricant Aerosol (GM Part No. 12346293 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. Automatic Transfer Case Fluid (GM Part No. 12378396). Spline Lubricant, Special Lubricant (GM Part No. 12345879) or lubricant meeting requirements of GM 9985830. Chassis Lubrication Chassis Lubricant (GM Part No. 12377985 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. 7-26