Chrysler Front Wheel Drive Cars 6-CYL 1988-1995 Repair Information

Rear Main Oil Seal

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REMOVAL & INSTALLATION



Except Premier and Monaco

There are two procedures for the replacement of the rear oil seal given by Chrysler. The first procedure involves removing the oil pan and rear seal retainer, where as the second does not. Read both methods before deciding on the method best suited to the circumstances present.

METHOD 1

See Figures 1, 2 and 3

  1. Disconnect the negative battery cable and raise and support the vehicle on jackstands.
  2.  
  3. Remove the transaxle inspection cover and flywheel/flexplate.
  4.  
  5. Remove the oil pan. Refer to the procedure located earlier in this section.
  6.  
  7. Remove the 5 rear oil seal retainer mounting bolts. Remove the seal retainer from the engine block.
  8.  
  9. Very carefully, pry the oil seal out of the support ring. Be careful not to nick or damage the retainer bore.
  10.  



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Fig. Fig. 1: Remove the 5 rear seal retainer fasteners to remove it from the engine- except Premier and Monaco



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Fig. Fig. 2: Use the special tool to install the new oil seal into the retainer



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Fig. Fig. 3: Apply sealant to the flat retainer-to-engine block surface

To install:
  1. Scrape clean or wire brush the gasket surface of the oil seal retainer to remove all lose material. Inspect the housing to ensure that the gasket surface is flat.
  2.  
  3. Clean the surface of all oil and residual dirt. Make sure all of the old gasket material is removed from any bolt holes or housing surfaces.
  4.  
  5. Set the retainer on a flat, hard, clean work surface with the inside face resting down. Use the special tool (MD998718 or the equivalent) to drive a new oil seal into the retainer.
  6.  
  7. Apply Mopar Silicone Rubber Adhesive Sealant® or the equivalent to the oil seal housing in a continuous bead of 0.120 in. (3mm) diameter or less. Be certain that the sealing material surrounds each mounting bolt hole. Excess material can easily be wiped off. The oil seal retainer should be installed and tightened to its specified torque within 10 minutes (still wet to the touch).
  8.  
  9. Apply a light coating of engine oil to the entire circumference of the oil seal lip.
  10.  
  11. Install the seal retainer onto the cylinder block and tighten the bolts to 9 ft. lbs. (12 Nm).
  12.  
  13. Install the oil pan according to the procedures found earlier in this section.
  14.  
  15. Install the flexplate or flywheel. Install the transaxle.
  16.  
  17. Lower the vehicle. Connect the battery cable.
  18.  

METHOD 2

See Figures 4 and 5

  1. Disconnect the negative battery cable.
  2.  
  3. Raise and support the vehicle on jackstands.
  4.  
  5. Remove the transaxle inspection cover and flywheel/flexplate.
  6.  
  7. Using a small prytool, carefully pry out the rear oil seal. Be careful not to nick or damage the crankshaft flange seal surface or the retainer bore.
  8.  



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Fig. Fig. 4: Use a small prytool to carefully pry the old oil seal out of the rear oil seal retainer



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Fig. Fig. 5: Use tool C-4681 to install the new oil seal after applying oil to the inner circumference of the oil seal

To install:
  1. Place the Special Seal Pilot Tool C-4681 (or equivalent) onto the crankshaft.
  2.  
  3. Lightly coat the oil seal outside diameter with Loctite Stud N' Bearing Mount® or the equivalent.
  4.  
  5. Apply a light coating of engine oil to the entire circumference of the oil seal lip.
  6.  
  7. Place the seal over the special tool and tap the seal in place with a plastic mallet.
  8.  
  9. Install the flexplate or flywheel. Install the transaxle.
  10.  
  11. Lower the vehicle and connect the battery cable.
  12.  

Premier and Monaco

See Figure 6

  1. Disconnect the negative battery cable.
  2.  
  3. Raise and support the vehicle on jackstands.
  4.  
  5. Remove the transaxle inspection cover and flywheel/flexplate.
  6.  
  7. Using a small prytool, carefully pry out the rear oil seal. Be careful not to nick or damage the crankshaft flange seal surface or the retainer bore.
  8.  



Click image to see an enlarged view

Fig. Fig. 6: Use the rear crankshaft oil seal installer to insert the new oil seal-Premier and Monaco

To install:
  1. Apply a light coating of engine oil to the entire inner circumference of the oil seal lip.
  2.  
  3. Install a new rear crankshaft oil seal using the Special Tool 6482 or equivalent.
  4.  
  5. Gently tap the seal into place until the installer stops.
  6.  
  7. Remove the installer by turning and pulling it at the same time.
  8.  
  9. Install the flexplate or flywheel. Install the transaxle and inspection cover.
  10.  
  11. Lower the vehicle and connect the battery cable.
  12.