Chrysler Front Wheel Drive Cars 4-CYL 1981-1995 Repair Information

Rear Main Oil Seal

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REMOVAL & INSTALLATION



2.2L and 2.5L Except Premier Engines

See Figures 1, 2 and 3

Click image to see an enlarged view

Fig. Fig. 1: Use a flat-bladed prytool to pry the used oil seal out of the housing



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Fig. Fig. 2: Use Special Tool C-4681 to install the new rear main oil seal into the seal housing



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Fig. Fig. 3: If the housing was removed, apply sealant as shown when installing onto the engine block

Use these procedures as a guide for all other engines. Modify service steps as required.

  1. Remove the transaxle. For more information, refer to Drive Train .
  2.  
  3. Remove the flywheel/flexplate from the engine, as described later
  4.  

On some early models, before removing the transaxle, align the dimple on the flywheel with the pointer on the flywheel housing. The transaxle will not mate with the engine during installation unless this alignment is observed.

  1. Very carefully, pry the oil seal out of the support ring. Be careful not to nick or damage the crankshaft flange seal surface or retainer bore.
  2.  

To install:
  1. Position Special Tool C-4681, or its equivalent, on the crankshaft.
  2.  
  3. Lightly coat the outside diameter of the new rear main seal with Loctite® Stud N' Bearing Mount, or its equivalent. Also coat the inside of the seal with clean engine oil.
  4.  
  5. Place the seal over Tool C-4681 and gently tap it into place with a plastic hammer.
  6.  
  7. Remove Tool C-4681 from the crankshaft.
  8.  
  9. Install the flywheel/flexplate and transaxle.
  10.  

2.5L Premier Engine

See Figure 4

Click image to see an enlarged view

Fig. Fig. 4: The rear main oil seal is mounted flush with the rear surface of the engine block and crankshaft flange

To replace the rear main oil seal, the transaxle must be removed from the vehicle. For more information, refer to Drive Train .

  1. Remove the flywheel or converter flexplate, as described later in this section.
  2.  
  3. Carefully pry the oil seal out from around the crankshaft flange.
  4.  


WARNING
Be careful to avoid nicking or gouging the oil seal mounting surface.

  1. Coat the outer lip of the new rear oil seal with engine oil.
  2.  
  3. Use Tool 6271 to install the seal flush with the engine block.
  4.  
  5. Install the flywheel or flexplate, as described later in this section.
  6.  
  7. Install the transaxle. For more information, refer to Drive Train .
  8.  

2.6L Engine

See Figure 5

Click image to see an enlarged view

Fig. Fig. 5: An exploded view of the rear main oil seal housing for 2.6L engines

The rear main oil seal is located in a housing on the rear of the block. To replace the seal, remove the transaxle and flywheel or flexplate and do the work from underneath the vehicle or remove the engine and do the work on the bench.

  1. Remove the bolts holding the crankshaft rear oil seal case to the engine block, then remove the case.
  2.  
  3. Remove the separator from the case and remove the oil seal.
  4.  

To install:
  1. Lightly oil the inner lip of the new oil seal.
  2.  
  3. Install the oil seal so that the seal plate fits into the inner contact surface of the seal case. Make certain it is flush and level in the case.
  4.  
  5. Install the separator with the oil hole at the bottom.
  6.  

 
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