Suburban 3/4 Ton 4WD V8-6.0L VIN U (2004)
1. Apply a light coat of axle lubricant, G M P/N 12378557 or equivalent meeting GM Specification 9986207, to the lip of the pinion seal.
2. Install the new seal using the J 45710.
3. Install the pinion yoke.
Notice: Refer to Pinion Flange/Yoke Installation Notice in Service Precautions.
4. Seat the pinion yoke onto the pinion shaft by tapping it with a soft-faced hammer until a few pinion shaft threads show through the yoke.
5. Install the washer.
