Removal & Installation
- Raise and support the vehicle safely.
- Matchmark and remove the driveshaft.
- Rotate the pinion gear three or four times with a torque wrench attached to the yoke nut. Measure the amount of torque necessary to rotate the pinion. Note for installation reference.
- Matchmark the pinion yoke and gear for installation reference.
- Using a holding tool, remove the pinion yoke nut and washer. Discard the nut.
- Punch the seal with a pin punch and pry it from the seal bore.
- Apply gear lubricant to the lip of the replacement seal and install using a seal installation tool.
- Install the yoke, noting the reference marks. Tighten just enough to remove the end-play.
- On 1984-89 models, install the yoke, washer and a new nut. Tighten the nut to 210 ft. lbs. (285 Nm).
On 1990-98 models, set bearing preload as follows:
- The required pinion gear bearing preload torque is 1 / 2 ft. lbs over the noted release torque as measured above.
- Rotate the pinion gear three or four times with a torque wrench attached to the yoke nut. Measure the amount of torque necessary to rotate the pinion.
- Using a holding tool and tighten the yoke nut in small increments and remeasure until the specified torque is obtained.
- Install the driveshaft. Tighten the strap bolt nuts to 14 ft. lbs. (19 Nm).
New strap bolts be used whenever the driveshaft is disconnected.
- Add lubricant if necessary. Lower vehicle.