GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 23523-F Crankshaft Balancer Remover and Installer

  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. Object Number: 4065  Size: SH
  3. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  4. Remove the crankshaft front seal. Use a small flat-bladed tool. Do not nick the crankshaft.

Installation Procedure

Tools Required

    • J 23523-F Crankshaft Balancer Remover and Installer
    • J 35468 Crankshaft Seal Installer and Centering Tool

    Object Number: 9947  Size: SH
  1. Install the crankshaft front oil seal. Use J 35468.
  2. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  3. Connect the negative battery cable.