Chrysler Full-Size Trucks 1989-1996 Repair Guide

Extension Housing Seal

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REMOVAL & INSTALLATION



Special tool C-3985 Seal Remover and C-3995 or C-3972 Seal Installer, or their equivalents are required.

  1. Raise and safely support the vehicle.
  2.  
  3. Place a suitable container under the extension housing end.
  4.  
  5. Mark the rear universal driveshaft yoke and differential for installation reference. Disconnect the rear universal joint and remove the driveshaft.
  6.  
  7. Remove the old extension housing seal using the special tool.
  8.  
  9. Clean the mounting surfaces of the extension housing.
  10.  
  11. Place the new seal into position and install it with the special tool by tapping it into place.
  12.  
  13. Lubricate the seal lips and slip yoke spline on the front of the driveshaft.
  14.  
  15. Install the driveshaft. Lower the vehicle and check the transmission fluid. Add fluid as necessary.
  16.  

 
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