Subaru Coupes/Sedans/Wagons 1985-1996 Repair Guide

Rear Main Oil Seal

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REPLACEMENT



Except 1.2L Engine

See Figure 1

Click image to see an enlarged view

Fig. Fig. 1: Installing the rear main seal-except 1.2L engine

  1. Remove the engine from the vehicle. Remove the transaxle-to-engine bolts and separate the transaxle from the engine.
  2.  
  3. Using the Clutch Disc Guide tool 499747000 or equivalent, remove the clutch assembly/flywheel (MT). If equipped with an AT, remove the torque converter flexplate from the crankshaft.
  4.  
  5. Remove the flywheel housing from the engine. Using a small prybar, pry the oil seal from the housing.
  6.  

To install:
  1. Install the new oil seal and press it into the flywheel housing using the appropriate driver.
  2.  
  3. Install the flywheel housing using new gaskets and sealant where necessary. Tighten the bolts to specification.
  4.  
  5. Install the flywheel and tighten the bolts to specification.
  6.  
  7. Join the engine and transaxle. Install the assembly in the vehicle.
  8.  

1.2L Engine

See Figure 2

Click image to see an enlarged view

Fig. Fig. 2: Installing the rear main seal-1.2L engine

  1. Remove the engine from the vehicle and separate the engine from the transaxle
  2.  
  3. Remove the clutch assembly and the flywheel or torque converter and flexplate from the crankshaft.
  4.  
  5. Using a small prybar, pry the rear oil seal from the crankcase; be careful not to damage the crankshaft or the crankcase housing.
  6.  

To install:
  1. Install the new oil seal and lubricate with engine oil.
  2.  
  3. Using the Crankshaft Rear Oil Seal Guide tool No. 498725600 or equivalent, and the Rear Oil Seal Press tool No. 498725500 or equivalent, drive the new oil seal into the housing until it seats.
  4.  
  5. Install the clutch assembly and flywheel or flexplate and torque converter. Tighten the flywheel/flexplate bolts to specification.
  6.  
  7. Join the engine and transaxle. Install the assembly in the vehicle.
  8.  

 
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