GM Service Manual Online
For 1990-2009 cars only

Rear Crankshaft Oil Seal and Housing Replacement Housing

Removal Procedure


    Object Number: 4078  Size: SH
  1. Remove the flywheel. For the automatic transmission refer to Transmission Replacement .
  2. For the manual transmission refer to Transmission Replacement .
  3. Remove the oil pan. Refer to Oil Pan Removal .
  4. Remove the oil seal retainer. Refer to Crankshaft Rear Oil Seal and Housing Removal (General) .

Installation Procedure

  1. Install the rear crankshaft seal retainer. Refer to Crankshaft Rear Oil Seal and Housing Installation .
  2. Install the oil pan. Refer to Oil Pan Installation .

  3. Object Number: 4078  Size: SH
  4. Install the flywheel. For the automatic transmission refer to Transmission Replacement .
  5. For the manual transmission refer to Transmission Replacement .

Rear Crankshaft Oil Seal and Housing Replacement Oil Seal

Removal Procedure

  1. Remove the flywheel. For the automatic transmission refer to Transmission Replacement . For the manual transmission refer to Transmission Replacement .

  2. Object Number: 31379  Size: SH
  3. Remove the crankshaft rear oil seal. Refer to Crankshaft Rear Oil Seal and Housing Removal (General) .

Installation Procedure

Tools Required

J 35621-A Crankshaft Rear Seal Installer


    Object Number: 11479  Size: SH
  1. Install the crankshaft rear seal. Refer to Crankshaft Rear Oil Seal and Housing Installation .
  2. Install the flywheel. For the automatic transmission refer to Transmission Replacement .
  3. For the manual transmission refer to Transmission Replacement .