Mitsubishi Raider 2006

Pinion Seal

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Matchmark the universal joint, companion flange and pinion shaft for installation reference.
  4.  
  5. Disconnect the rear driveshaft.
  6.  
  7. Remove companion flange bolts and secure the shaft in an upright position to prevent damage to the rear universal joint.
  8.  
  9. Remove brake drums to prevent any drag.
  10.  
  11. Rotate companion flange three or four times and verify flange rotates smoothly.
  12.  
  13. Measure rotating torque of the pinion with an inch pound torque wrench and record the reading for installation reference.
  14.  
  15. Install bolts into two of the threaded holes in the companion flange 180° apart.
  16.  
  17. Position Holder 6719 or equivalent against the companion flange and install a bolt and washer into one of the remaining threaded holes. Tighten the bolts so the Holder 6719 or equivalent is held to the flange.
  18.  
  19. Remove the pinion nut and washer.
  20.  
  21. Remove companion flange with Remover C-452, or equivalent.
  22.  
  23. Remove pinion seal with a pry tool or slidehammer mounted screw.
  24.  

To install:

  1. Apply a light coating of gear lubricant on the lip of pinion seal.
  2.  
  3. Install a new pinion seal with Installer C-4076-B and Handle C-4735, or equivalent.
  4.  
  5. Install companion flange on the end of the shaft with the reference marks aligned.
  6.  
  7. Install bolts into two of the threaded holes in the companion flange 180° apart.
  8.  
  9. Position Holder 6719, or equivalent, against the companion flange and install a bolt and washer into one of the remaining threaded holes. Tighten the bolts so Holder 6719 is held to the flange.
  10.  
  11. Install companion flange on pinion shaft with Installer C-3718 and Holder 6719, or equivalent.
  12.  
  13. Install the pinion washer and a new pinion nut. The convex side of the washer must face outward.
    NOTE
    Do not exceed the minimum tightening torque when installing the companion flange retaining nut at this point. Damage to collapsible spacer or bearings may result.

  14.  
  15. Hold companion flange with Holder 6719 and tighten the pinion nut to 210 ft. lbs. (285 Nm). Rotate pinion several revolutions to ensure the bearing rollers are seated.
  16.  
  17. Rotate the pinion flange with an inch pound torque wrench. Rotating torque should be equal to the reading recorded during removal plus 5 inch lbs. (0.56 Nm).
    NOTE
    Never loosen pinion nut to decrease pinion bearing rotating torque and never exceed specified preload torque. If rotating torque is exceeded, a new collapsible spacer must be installed.

  18.  
  19. If rotating torque is too low, use Holder 6719 to hold the companion flange and tighten pinion nut in 5 ft. lbs. (6.8 Nm) increments until proper rotating torque is achieved.
    NOTE
    The seal replacement is unacceptable if final pinion nut torque is less than 210 ft. lbs. (285 Nm).


    NOTE
    The bearing rotating torque should be constant during a complete revolution of the pinion. If the rotating torque varies, this indicates a binding condition.

  20.  
  21. Install driveshaft with the installation reference marks aligned.
  22.  
  23. Tighten companion flange bolts to 80 ft. lbs. (108 Nm).
  24.  
  25. Install the rear brake components.
  26.  
  27. Check the differential housing lubricant level.
  28.  

 
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