GMC 2003 GMT560 T-Series Owner's Manual page 262

Usage
Chassis Lubricant (GM Part No. U.S.
Chassis 12377985, in Canada 88901242) or
Lubrication lubricant meeting requirements of
NLGI #2, Category LB or GC-LB.
Front Wheel Wheel bearing lubricant meeting
Bearing Grease requirements of NLGI #2, Category
(Except Oil GC or GC-LB (GM Part No. U.S.
Filled Hubs) 1051344, in Canada 993037).
Front Wheel SAE 75W-90 Synthetic Axle
Bearing Grease Lubricant for Medium Duty Trucks
with Oil Filled (GM Part No. U.S. 12345841, in
Hubs Canada 10953512).
SAE 75W-90 Synthetic Axle
Rear Axle and Lubricant for Medium Duty Trucks
Rear Hubs (GM Part No. U.S. 12345841, in
Canada 10953512).
6-28
Fluid/Lubricant Usage
Rear Axle Shift Refrigerant Oil (GM Part No.U.S.
Motor Lubricant 5416939, in Canada 10953496).
Wheel bearing lubricant meeting
Propshafts and requirements of NLGI #2, Category
Splines GC or GC-LB (GM Part No. U.S.
1051344, in Canada 993037).
Cab — Door Multi-Purpose Lubricant, Superlube
Hinges and (GM Part No. U.S. 12346241, in
Latches Canada 10953474).
Dielectric Silicone Grease (GM Part
Weatherstrip
No. U.S. 12345579, in Canada
Conditioning
992887).
Synthetic Grease with Teflon,
Weatherstrip
Superlube (GM Part No. U.S.
Squeaks
12371287, in Canada 10953437).
Fluid/Lubricant