GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 35468 Cover Aligner/Seal Installer

Removal Procedure


    Object Number: 357563  Size: SH
  1. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  2. Use a suitable prying tool to remove the crankshaft front oil seal.
  3. Inspect engine front cover seal bore area for damage.
  4. Inspect the crankshaft balancer seal area. Refer to Crankshaft Balancer Cleaning and Inspection in Engine Mechanical - 4.3L Unit Repair.

Installation Procedure


    Object Number: 357566  Size: SH
  1. Lubricate the exterior of the 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. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .