GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 35354-A Seal Installer

Removal Procedure

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

  2. Object Number: 153586  Size: SH

    Important: Use care to avoid damaging the crankshaft front oil seal bore or the crankshaft front oil seal contact surfaces.

  3. Pry out the crankshaft front oil seal with a flat-bladed tool such as a large screwdriver.
  4. Inspect the crankshaft balancer and engine front cover for scratches.

Installation Procedure


    Object Number: 153590  Size: SH
  1. Install the crankshaft front oil seal in the engine front cover using the J 35354-A .
  2. Tighten the bolt until the crankshaft front oil seal is seated in the engine front cover.
  3. Remove the J 35354-A .
  4. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  5. Inspect for leaks.