Owner's Manual
Page 357
... (GM Part No. 1051344 or equivalent). Weatherstrip Conditioning Dielectric Silicone Grease (GM Part No. 12345579 or equivalent). Rear Axle (All) and Axle Lubricant (GM Part No. 12345977) or SAE Front Ax (Four-wheel Drive) 8OW-90 GL-5 Gear Lubricant. I USAGE Front Wheel Bearings FLUIDLUBRICANT Wheel Bearing Lubricant meeting requirementsof NLGI Release Pawl # 2, CategoryLB or GC-LB.
... (GM Part No. 1051344 or equivalent). Weatherstrip Conditioning Dielectric Silicone Grease (GM Part No. 12345579 or equivalent). Rear Axle (All) and Axle Lubricant (GM Part No. 12345977) or SAE Front Ax (Four-wheel Drive) 8OW-90 GL-5 Gear Lubricant. I USAGE Front Wheel Bearings FLUIDLUBRICANT Wheel Bearing Lubricant meeting requirementsof NLGI Release Pawl # 2, CategoryLB or GC-LB.