Usage Fluid/Lubricant
Front Wheel
Bearings
(Except Oil
Filled Hubs)
Wheel bearing lubricant meeting
requirements of NLGI #2,
Category GC or GC-LB
(GM Part No. U.S. 1051344,
in Canada 993037).
Front Wheel
Bearings with
Oil Filled Hubs
SAE 75W-90 Synthetic Axle
Lubricant for Medium Duty Trucks
(GM Part No. U.S. 89021675, in
Canada 10953512).
Rear Axle and
Rear Hubs
SAE 75W-90 Synthetic Axle
Lubricant for Medium Duty Trucks
(GM Part No. U.S. 89021675, in
Canada 10953512).
Rear Axle Shift
Motor Lubricant
Refrigerant Oil
(GM Part No. U.S. 5416939,
in Canada 10953496).
Usage Fluid/Lubricant
Propshafts and
Splines
Wheel bearing lubricant meeting
requirements of NLGI #2,
Category GC or GC-LB
(GM Part No. U.S. 1051344,
in Canada 993037).
Cab — Door
Hinges and
Latches
Multi-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
Weatherstrip
Conditioning
Weatherstrip Lubricant
(GM Part No. U.S. 3634770,
in Canada 10953518) or
Dielectric Silicone Grease
(GM Part No. U.S. 12345579,
in Canada 992887).
Weatherstrip
Squeaks
Synthetic Grease with
Teflon, Superlube
(GM Part No. U.S. 12371287,
in Canada 10953437).
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