GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1578292  Size: SH
  1. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement.
  2. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement.
  3. Remove the engine front cover bolts.

  4. Object Number: 1578293  Size: SH
  5. Remove the engine front cover to water pump bolt.

  6. Object Number: 1578294  Size: SH
  7. Remove and discard the engine front cover gasket.
  8. Remove the crankshaft front cover oil seal with an appropriate tool.
  9. Remove and discard the friction washer.

Installation Procedure


    Object Number: 1578294  Size: SH
  1. Install a NEW crankshaft front oil seal. Refer to Crankshaft Front Oil Seal Installation.
  2. Install a NEW friction washer.
  3. Position and install a NEW engine front cover gasket to the dowel pins.

  4. Object Number: 1578293  Size: SH
  5. Position and install the engine front cover.
  6. Caution: Refer to Fastener Caution in the Preface section.

  7. Install the engine front cover to water pump bolt.
  8. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).


    Object Number: 1578292  Size: SH
  9. Install the engine front cover bolts.
  10. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).

  11. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement.
  12. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement.