GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the negative battery. 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. Raise the vehicle. Support the vehicle with safety stands. Refer to General Vehicle Lifting and Jacking in General Information.
  3. Remove the starter. Refer to Starter Motor Replacement in Engine Electrical.

  4. Object Number: 13902  Size: SH
  5. 4L60-E transmission has a full bellhousing and no torque converter cover. In order to gain access to the converter bolts:
  6. 4.1. Remove starter.
    4.2. Remove the dust plug in the starter mounting port.

    Object Number: 13908  Size: SH

    Important: Mark the alignment of the flywheel and the converter in order to retain a proper balance.

  7. Remove the flywheel to converter bolts.

Installation Procedure


    Object Number: 13908  Size: SH

    Important: All flywheel to converter bolts should be hand started before tightening in order to ensure proper alignment, and in order to avoid cross-threading.

  1. Install the flywheel to converter bolts. Hand start the bolts.
  2. Tighten
    Tighten the bolts to 63 N·m (46 lb ft).

    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.


    Object Number: 13902  Size: SH
  3. Install the starter motor. Refer to Starter Motor Replacement in Engine Electrical.
  4. Lower the vehicle.
  5. Connect the negative battery cable.