DeVille, Eldorado, Seville 1999-2005

Rear Main Seal

Print

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.
  10.  
  11. Thread the three mounting bolts into the crankshaft flange.
  12.  
  13. Tighten the bolts until the installation tool is firmly mounted on the crankshaft.
  14.  
  15. Install the crankshaft rear oil seal by tightening the center bolt until the installation tool bottoms against the crankcase.
  16.  
  17. Loosen the center bolt to release pressure on the crankcase.
  18.  
  19. Loosen the three mounting bolts.
  20.  
  21. Remove the installation tool from the crankshaft flange.
  22.  
  23. Inspect to ensure the installation depth is equal around the crankshaft rear oil seal's circumference. If the depth is not equal reinstall the tool and repeat the installation procedures.

    Click image to see an enlarged view

    Fig. Clean any debris from the crankshaft rear oil seal drain using wire or an unbound plastic tie-wrap

  24.  
  25. Install the flywheel. Torque the bolts to 11 ft. lbs. (15 Nm) plus an additional 50 degree turn.
  26.  
  27. Install the transaxle.
  28.  
  29. Start the engine and check for leaks.
  30.  

 
label.common.footer.alt.autozoneLogo