GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    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.

  1. Disconnect the negative battery cable.
  2. Remove the automatic transmission, if equipped. Refer to the appropriate procedure from the following list:
  3. •  Transmission Replacement in Automatic Transmission -- 4L60-E
    •  Transmission Replacement in Automatic Transmission -- 4L80-E

    Object Number: 178458  Size: SH
  4. Remove the automatic transmission flywheel. Refer to Engine Flywheel Removal .

  5. Object Number: 156166  Size: SH
  6. Remove the manual transmission, if equipped. Refer to the appropriate procedure from the following list:
  7. •  Transmission Replacement in Manual Transmission -- NV 3500
    •  Transmission Replacement in Manual Transmission -- NV 4500
  8. Remove the manual transmission flywheel. Refer to Engine Flywheel Removal .
  9. Clean and inspect the flywheel. Refer to Engine Flywheel Cleaning and Inspection .

Installation Procedure


    Object Number: 156166  Size: SH
  1. Install the manual transmission flywheel. Refer to Engine Flywheel Installation
  2. Install the manual transmission. Refer to the appropriate procedure from the following list:
  3. •  Transmission Replacement in Manual Transmission -- NV 3500
    •  Transmission Replacement in Manual Transmission -- NV 4500

    Object Number: 178458  Size: SH
  4. Install the automatic transmission flywheel. Refer to Engine Flywheel Installation .
  5. Install the automatic transmission, if equipped. Refer to the appropriate procedure from the following list:
  6. •  Transmission Replacement in Automatic Transmission -- 4L60-E
    •  Transmission Replacement in Automatic Transmission -- 4L80-E
  7. Connect the negative battery cable.