GM Service Manual Online
For 1990-2009 cars only

Starter Replacement LZ4

Removal Procedure

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.

  2. Object Number: 1877496  Size: SH
  3. Remove the 3 transmission bracket bolts (1).
  4. Remove the transmission bracket (2) from the vehicle.

  5. Object Number: 1877497  Size: SH
  6. Remove the starter solenoid BAT terminal nut (3).
  7. Remove the battery positive cable terminal (2) and engine harness terminal (1) from the starter motor.

  8. Object Number: 1877498  Size: SH
  9. Disconnect the starter motor electrical connector (1).

  10. Object Number: 1617015  Size: SH
  11. Remove the starter motor bolts.
  12. Remove the starter motor from the vehicle.

Installation Procedure

  1. Position the starter motor to the vehicle.
  2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1617015  Size: SH

    Note: Hand tighten all bolts before finalizing any torques.

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

  4. Object Number: 1877498  Size: SH
  5. Connect the starter motor electrical connector (1).

  6. Object Number: 1877497  Size: SH
  7. Install the engine harness terminal (1) and battery positive cable terminal (2) to the starter. Ensure that the battery positive cable terminal anti-rotation feature is aligned correctly.
  8. Install the starter solenoid BAT terminal nut (3) and tighten to 15 N·m (11 lb ft).

  9. Object Number: 1877496  Size: SH
  10. Position the transmission bracket (2) to the vehicle.
  11. Install the 3 transmission bracket bolts (1) and tighten to 50 N·m (37 lb ft).
  12. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.

Starter Replacement LE5/LAT

Removal Procedure

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Hoist and raise the vehicle. Refer to Lifting and Jacking the Vehicle.

  3. Object Number: 1878823  Size: SH
  4. Disconnect the starter motor electrical connector (3).
  5. Remove the starter solenoid BAT terminal nut (4).
  6. Remove the battery positive cable terminal (1) and engine harness terminal (2) from the starter motor.

  7. Object Number: 1648192  Size: SH
  8. Remove the starter motor bolts.
  9. Remove the starter motor from the vehicle.

Installation Procedure

  1. Position the starter motor to the vehicle.
  2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1648192  Size: SH

    Note: Hand tighten all bolts before finalizing any torques.

  3. Install the starter motor bolts and tighten to 43 N·m (32 lb ft).

  4. Object Number: 1878823  Size: SH
  5. Install the engine harness terminal (2) and the battery positive cable terminal (1) to the starter motor. Ensure that the battery positive cable terminal anti-rotation feature is aligned correctly.
  6. Install the starter solenoid BAT terminal nut (4) and tighten to 15 N·m (11 lb ft).
  7. Connect the starter motor electrical connector (3).
  8. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.

Starter Replacement LY7

Removal Procedure

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the left side catalytic convertor. Refer to Catalytic Converter Replacement - Left Side.

  3. Object Number: 1394041  Size: SH
  4. Disconnect the starter motor electrical connector.

  5. Object Number: 1644827  Size: SH
  6. Remove the starter solenoid BAT terminal nut.
  7. Remove the battery positive cable terminal and engine harness terminal from the starter motor.

  8. Object Number: 1394040  Size: SH
  9. Remove the starter motor bolts.
  10. Remove the starter motor from the vehicle.

Installation Procedure

  1. Install the starter motor to the vehicle.
  2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1394040  Size: SH

    Note: Hand tighten all bolts before finalizing any torques.

  3. Install the starter motor bolts and tighten to 50 N·m (37 lb ft).
  4. Install the engine harness terminal and battery positive cable terminal to the starter motor.

  5. Object Number: 1644827  Size: SH
  6. Install the starter solenoid BAT terminal nut and tighten to 15 N·m (11 lb in).

  7. Object Number: 1394041  Size: SH
  8. Connect the starter motor electrical connector.
  9. Install the left side catalytic convertor. Refer to Catalytic Converter Replacement - Left Side.
  10. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.