GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 38197-A Crankshaft Balancer Puller
    • J 37096 Flywheel Holding Tool
    • J 36660-A Torque Angle Meter
  1. Disconnect the negative battery cable. Refer to

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

    in General Information.
  2. Remove the drive belt. Refer to Drive Belt Replacement .
  3. Raise the vehicle. Support the vehicle suitably. Refer to SECTION 0A.
  4. Remove the starter motor. Refer to Starter Motor Replacement in Engine Electrical.
  5. Remove the transmission braces.
  6. Remove the transmission cover pan.
  7. Use the J 37096 in order to hold the flywheel.
  8. Important: The crankshaft balancer is serviced as an assembly. Do not attempt to separate the pulley from the balancer hub.


    Object Number: 36659  Size: SH
  9. Remove the crankshaft balancer bolt.
  10. Remove the crankshaft balancer using J 38197-A . Use 1/4 in bolts in order to attach to the pulley and screw in 1/4 in.

Installation Procedure


    Object Number: 41361  Size: SH
  1. Install the crankshaft balancer.
  2. Install the crankshaft balancer bolt.
  3. Tighten
    Tighten the balancer bolt to 150 N·m (111 lb ft). Use the J 36660-A in order to rotate the bolt an additional 76N·mdegrees.

    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.

  4. Install the transmission cover pan.
  5. Install the transmission braces.
  6. Install the starter motor. Refer to Ignition Coil and Ignition Coil Module in Engine Electrical.
  7. Lower the vehicle.
  8. Install the drive belt. Refer to Drive Belt Replacement .
  9. Connect the negative battery cable.