- Raise and support the front end on jackstands.
- Matchmark and remove the driveshaft.
- Remove the wheels and brake calipers.
- Using an inch lbs. torque wrench on the companion flange nut, measure and
record the differential rotational torque.
- Hold the companion flange and remove the locknut.
- Using a puller, remove the companion flange.
- Use a center punch to deform the seal, then pry it from the bore.
- Coat the outer edge of the new seal with sealer and drive it into place
with a seal driver.
- Coat the seal lip with clean gear oil.
- Lubricate (with chassis lube) and install the companion flange.
- Install the nut and tighten it until the previously noted rotational torque
is achieved. Torque on the nut should not exceed 130 ft. lbs. (176 Nm).
- Install the driveshaft.
- Replace any lost gear oil.