GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: The starter motor on this vehicle is not serviceable and must be replaced as a complete unit.

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  3. Object Number: 473052  Size: SH
  4. Remove the starter solenoid BAT terminal nut (8) and disconnect the positive battery cable (9) at the starter motor.
  5. Remove the starter solenoid S terminal nut (7) and disconnect the starter solenoid wire (6).
  6. Remove the torque converter cover (s). Refer to Torque Converter Cover Replacement in Automatic Transaxle - 4T65-E.

  7. Object Number: 45668  Size: SH
  8. Remove the starter bolts and the starter motor. Remove the shims, if necessary.

Installation Procedure


Object Number: 193603  Size: SH

The 2.5L (LB8) and 3.0L (L46) uses a PG260 F1 starter motor.

Make sure the correct starter motor is being installed.


    Object Number: 45668  Size: SH
  1. Install the starter motor, the starter bolts, and any removed shims to the engine.
  2. 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.

  3. Install the starter bolts.
  4. Tighten
    Tighten the starter bolts to 43 N·m (32 lb ft).


    Object Number: 473052  Size: SH
  5. Connect the positive battery cable (9) and connect the starter solenoid wire (6) at the starter motor.
  6. Tighten

        • Tighten the starter solenoid BAT terminal nut (8) to 9.5 N·m (84.08 lb in).
        • Tighten the starter solenoid S terminal nut (7) to 2.3 N·m (20.35 lb in).
  7. Install the torque converter cover. Refer to Torque Converter Cover Replacement in Automatic Transaxle - 4T65-E.
  8. Lower the vehicle.
  9. Connect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection .