GM Service Manual Online
For 1990-2009 cars only

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 large flat-bladed tool. 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

Tools Required

J 35468 Cover Aligner/Seal Installer

  1. Lubricate the crankshaft front oil seal with engine oil in order to make installation easier.

  2. Object Number: 190533  Size: SH
  3. Install the crankshaft front oil seal using the J 35468 .
  4. Ensure that the crankshaft front oil seal lip faces the engine.


    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.