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DeVille, Eldorado, Seville 1999-2005

Rear Main Seal

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove or disconnect the following:

    Transaxle
     
    Flywheel
     

  4.  
  5. Place oil seal removal Tool J 42841 on to the crankshaft.
  6.  
  7. Install the tool retaining bolts.
  8.  
  9. Using a drill with a socket adapter, install eight one-inch self-drilling crews into the seal using the guide holes in the removal tool. When drilling, make sure you reduce the drill speed when the screw begins threading into the seal.
  10.  
  11. With all eight removal screws installed, remove the removal tool retaining bolts.
  12.  
  13. Install the removal tool center screw.
  14.  
  15. Tighten the screw until the seal is removed.
  16.  

To install:

Click image to see an enlarged view

Fig. Removing the rear main seal- 4.6L engines

  1. Clean any debris from the crankshaft rear oil seal drain using wire or an unbound plastic tie-wrap.
  2.  
  3. Coat the outer diameter of the cylinder block crankshaft rear oil seal area with clean engine oil
    NOTE
    DO NOT allow any engine oil on the area where the crankshaft rear oil seal is to be pressed onto the crankshaft. The green coating pre-applied to the inner diameter of the crankshaft rear oil seal must not be contaminated.

  4.  
  5. Wipe the outer diameter of the flywheel flange clean with a lint-free cloth.
  6.  
  7. Lubricate the outer rubber surface of the crankshaft rear oil seal with clean engine oil.
  8.  
  9. Loosen the center bolt of the removal tool until the center hub protrudes approximately one-half inch beyond the outer plate. It is not necessary to completely unthread the center bolt and separate the two pieces of the installation Tool J 42842. Place the installation tool on to the crankshaft.