GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 205559  Size: SH
  1. Remove the accessory drive belt. Refer to Drive Belt Replacement .
  2. Remove the bolt securing the power steering hose.
  3. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  4. Remove the accessory belt tensioner.

  5. Object Number: 338441  Size: SH
  6. Remove the accessory belt idler pulley.

  7. Object Number: 53642  Size: SH
  8. Remove the front cover bolts.
  9. Remove the front cover and gasket. The gasket is reusable. Do not discard unless it is damaged.

Installation Procedure


    Object Number: 53642  Size: SH
  1. Place a small daub of RTV sealant at the split line of the upper and lower crankcases.
  2. Place the front cover gasket over the crankcase dowel pins.
  3. Install the front cover over the dowel pins.
  4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  5. Install the front cover bolts.
  6. Tighten
    Tighten the bolts to 10 N·m (89 lb ft).


    Object Number: 338441  Size: SH
  7. Install the accessory belt idler pulley.
  8. Tighten
    Tighten the bolt to 50 N·m (37 lb ft).


    Object Number: 205559  Size: SH
  9. Install the accessory belt tensioner (1).
  10. Tighten
    Tighten the bolt to 50 N·m (37 lb ft).

  11. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  12. Install the power steering hose retainer.
  13. Install the accessory drive belt. Refer to Drive Belt Replacement .