GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.

  1. Disconnect the negative battery cable.
  2. Remove the crankshaft pulley. Refer to Crankshaft Pulley Replacement .
  3. Important: To protect the crankshaft from damage, wrap the tip of the screwdriver with tape.


    Object Number: 234225  Size: SH
  4. Use a screwdriver and pry out the crankshaft front oil seal.

Installation Procedure


    Object Number: 234233  Size: SH
  1. Lubricate the new crankshaft front oil seal with Chassis Grease GM P/N 1051344 (Canadian P/N 993037) or equivalent.
  2. Using a hammer and an appropriate driver, lightly tap the crankshaft front oil seal into place.
  3. Important: Tap the oil seal in until its surface is flush with the crankshaft front oil seal retainer edge.

  4. Install the crankshaft pulley. Refer to Crankshaft Pulley Replacement .
  5. Connect the negative battery cable.
  6. Start the engine.