GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 4059  Size: SH
  1. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .

  2. Object Number: 357563  Size: SH
  3. Use a suitable prying tool to remove the crankshaft front oil seal.

Installation Procedure

Tools Required

J 35468 Cover Aligner and Seal Installer


    Object Number: 357566  Size: SH

    Important: The engine front cover is a plastic composition.

  1. Lubricate the exterior of the crankshaft front oil seal with clean engine oil.
  2. Use the J 35468 with a hammer in order to install the crankshaft front oil seal.
  3. Inspect to ensure the crankshaft front oil seal is flush and square to the engine front cover.

  4. Object Number: 4059  Size: SH
  5. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .