VW Passat & Audi A4 1990-2000

Rear Main Seal

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removal & installation

To access the rear main oil seal requires the transmission to be removed to access the rear portion of the engine. For additional information, please refer to the following topic(s): Drive Train, Manual Transaxle, Automatic Transaxle.

All Engines

The rear main oil seal is located at the rear of the engine block. It can be found in a housing or flange behind the flywheel/flexplate. To replace the seal, remove the transaxle or remove the entire drive train assembly and then remove the transaxle.

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the transaxle.
  4.  
  5. Remove the flywheel/flexplate assembly.
  6.  
  7. Using a suitable tool, pry the old seal out of its housing.
  8.  



Click image to see an enlarged view

Fig. Typical VW rear main seal

To install :

  1. Lightly oil the inner lips of the replacement seal and press it into place.
  2.  


NOTE
Be careful not to damage the seal or score the crankshaft.

  1. Install the flywheel/flexplate and the transaxle.
  2.  
  3. The balance of assembly is in reverse order of removal.
  4.  

 
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