The procedure is to lubricate the wheel drive shaft sealing surface of the oil seal with 75W90 synthetic axle lubricant, GM P/N 12378261 (Canadian P/N 10953455) or equivalent, install the differential output shaft seal to the J 45017, using the J 45017, install the differential output shaft seal, remove J 45017 from the differential output shaft seal, install the wheel drive shaft, inspect the fluid level, install the rear tire and wheel assembly, lower the vehicle.
By BobGM Specialist
01/11/2022