Jeep Wagoneer/Commando/Cherokee 1984-1998

Pinion Seal

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Removal & Installation



See Figures 1 and 2

  1. Raise and support the vehicle.
  2.  
  3. Mark the driveshaft and yoke for reference during assembly and disconnect the driveshaft at the yoke.
  4.  



Click image to see an enlarged view

Fig. Fig. 1: Removing the pinion nut

  1. Remove the pinion shaft nut and washer. Discard the nut.
  2.  
  3. Remove the yoke from the pinion shaft, using a puller.
  4.  
  5. Remove the pinion shaft oil seal with tool J-25180 on semi-floating axles, or tool J-25144 on full floating axles.
  6.  



Click image to see an enlarged view

Fig. Fig. 2: Use a puller to extract the yoke

To install:
  1. Install the new seal with a suitable driver.
  2.  
  3. On 1984-90 models, install the yoke, washer and a new nut. Tighten the nut to 210 ft. lbs. (285 Nm).
  4.  
  5. On 1990-98 models, set bearing preload as follows:
    1. The required pinion gear bearing preload torque is 1 / 2 ft. lbs. over the noted release torque as measured above.
    2.  
    3. 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.
    4.  
    5. Using a holding tool, tighten the yoke nut in small increments and remeasure until the specified torque is obtained.
    6.  

  6.  
  7. Align the index marks on the driveshaft and yoke and install the driveshaft. Tighten the attaching bolts or nuts to 170 inch lbs. (19 Nm).
  8.  
  9. Add lubricant to the rear if necessary and lower the vehicle.
  10.  

 
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