GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 42851 Front Cover Oil Seal Installer

Removal Procedure


    Object Number: 470799  Size: SH
  1. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  2. Important: Use care as not to damage the engine front cover or the crankshaft sealing area when removing the crankshaft front cover oil seal.

  3. Remove the crankshaft front cover oil seal.

Installation Procedure


    Object Number: 677874  Size: SH
  1. Coat the crankshaft front cover oil seal with clean engine oil.
  2. Using J 42851 install the oil seal.
  3. Remove the J 42851 .
  4. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .