GM Service Manual Online
For 1990-2009 cars only

    Object Number: 648657  Size: SH
  1. Lubricate the new crankshaft front oil seal with Chassis Grease GM P/N 1051344 or equivalent.

  2. Object Number: 711330  Size: SH

    Important: Tap the oil seal in until its surface is flush with the crankshaft front oil seal retainer edge.

  3. Using a hammer and an appropriate driver, lightly tap the crankshaft front oil seal into place.
  4. Install the crankshaft balancer. Refer to Crankshaft Pulley Installation .