You can install the pinion head bearing onto the pinion shaft, assemble the pinion shaft, the housing, the spacer, and the bearing, press the bearing onto the pinion shaft, lubricate the outer diameter of the seal with axle lube, install a new pinion seal, install the pinion flange onto the shaft, apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) to clean the threads of the pinion nut, install the pinion flange nut and remove J 45012.
By BobGM Specialist
01/11/2022