GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 8614-01 Pinion Flange Holder

Removal Procedure

  1. Remove the cooling fan drive belt. Refer to Drive Belt Replacement-Cooling Fan .
  2. Remove the accessory drive belt. Refer to Drive Belt Replacement-Generator, Air Conditioning and Power Steering .
  3. Remove the cooling fan. Refer to Fan Replacement in Engine Cooling.
  4. Remove the radiator. Refer to Radiator Replacement in Engine Cooling.

  5. Object Number: 464729  Size: SH

    Important: Do not damage the A/C condenser (if equipped) during crankshaft pulley service.

  6. Remove the crankshaft pulley retaining bolt using the J 8614-01 to prevent crankshaft rotation when loosening the bolt.

  7. Object Number: 178314  Size: SH
  8. The crankshaft may also be held by locking the flywheel through the access hole (1).

  9. Object Number: 464734  Size: SH
  10. Remove the crankshaft pulley.

Installation Procedure

  1. Lubricate the front seal and the sealing surface of the crankshaft pulley with Chassis Grease GM P/N 1051344 or equivalent.

  2. Object Number: 464734  Size: SH
  3. Install the crankshaft pulley onto the crankshaft indexing the keyway.

  4. Object Number: 464729  Size: SH

    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 crankshaft pulley retaining bolt using the J 8614-01 to prevent crankshaft rotation when tightening the bolt.
  6. Tighten
    Tighten the bolt to 150 N·m (109 lb ft).

  7. Install the radiator. Refer to Radiator Replacement in Engine Cooling.
  8. Install the accessory drive belt. Refer to Drive Belt Replacement-Generator, Air Conditioning and Power Steering .
  9. Install the cooling fan drive belt. Refer to Drive Belt Replacement-Cooling Fan .
  10. Install the cooling fan. Refer to Fan Replacement in Engine Cooling.