GM Service Manual Online
For 1990-2009 cars only

Special Tools

EN-48869 Front Crankshaft Seal Installer

Removal Procedure

  1. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .

  2. Object Number: 190532  Size: SH
  3. Pry out the crankshaft front oil seal with a flat-bladed tool such as a large screwdriver. Refer to the instructions supplied with the replacement part.
  4. Inspect the crankshaft, the crankshaft balancer and the engine front cover for wear and/or damage. Replace or repair the crankshaft, the crankshaft balancer and/or engine front cover as necessary.

Installation Procedure


    Object Number: 1557855  Size: SH
  1. Lubricate the crankshaft front oil seal with engine oil in order to make installation easier.
  2. Important: Ensure that the crankshaft front oil seal lip faces the engine.

  3. Install the crankshaft front oil seal using the EN-48869 .

  4. Object Number: 190534  Size: SH
  5. Ensure the crankshaft front oil seal is installed flush to the engine front cover (1).
  6. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  7. Inspect for leaks.