GM Service Manual Online
For 1990-2009 cars only

Starter Replacement LAT

Removal Procedure


    Object Number: 1891292  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Disconnect the engine wiring harness electrical connector (2) from the generator control module coolant pump (1).

  4. Object Number: 1811960  Size: SH
  5. Remove the generator control module coolant pump bolt.
  6. Remove the generator control module coolant pump (with the hoses attached) from the oil pan.
  7. Reposition and secure the generator control module coolant pump (with the hoses attached) out of the way.

  8. Object Number: 1891303  Size: SH
  9. Disconnect the engine wiring harness electrical connector (1) from the starter.

  10. Object Number: 1891299  Size: SH
  11. Remove the positive battery cable to starter motor nut (1).
  12. Remove the positive battery cable lead (2) from the starter motor.

  13. Object Number: 1814106  Size: SH
  14. Remove the starter motor bolts and starter.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1814106  Size: SH
  1. Install the starter motor and bolts and tighten to 53 N·m (39 lb ft).

  2. Object Number: 1891299  Size: SH
  3. Install the positive battery cable lead (2) to the starter motor.
  4. Install the positive battery cable to starter motor nut (1) and tighten the nut to 10 N·m (89 lb in).

  5. Object Number: 1891303  Size: SH
  6. Connect the engine wiring harness electrical connector (1) to the starter.

  7. Object Number: 1891294  Size: SH
  8. Unsecure the generator control module coolant pump.
  9. Position the generator control module coolant pump (1) (with the hoses attached) to the oil pan. Ensure that the anti-rotation tab (2) is inserted into the hole in the oil pan.
  10. Install the generator control module coolant pump bolt (3) and tighten to 22 N·m (16 lb ft).

  11. Object Number: 1891292  Size: SH
  12. Connect the engine wiring harness electrical connector (2) to the generator control module coolant pump (1).
  13. Lower the vehicle.
  14. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.

Starter Replacement LY7

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Remove the left catalytic converter. Refer to Catalytic Converter Replacement - Left Side.
  4. Remove the knock sensor Bank 2. Refer to Knock Sensor Replacement - Bank 2.

  5. Object Number: 1644827  Size: SH
  6. Remove the starter solenoid BAT terminal nut.

  7. Object Number: 1394041  Size: SH
  8. Disconnect the engine harness electrical connector.

  9. Object Number: 1394040  Size: SH
  10. Disconnect the starter motor bolts and the starter.

Installation Procedure


    Object Number: 1394040  Size: SH
  1. Position the starter motor to the engine block.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the starter bolts and tighten to 50 N·m (37 lb ft).

  4. Object Number: 1394041  Size: SH
  5. Connect the electrical connector to the starter.

  6. Object Number: 1644827  Size: SH
  7. Install the starter solenoid BAT terminal nut and tighten to 13 N·m (115 lb in).
  8. Install the knock sensor Bank 2. Refer to Knock Sensor Replacement - Bank 2.
  9. Install the left catalytic converter. Refer to Catalytic Converter Replacement - Left Side.
  10. Lower the vehicle.
  11. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.

Starter Replacement LE5

Removal Procedure


    Object Number: 1578424  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Remove the "S" terminal connector from the starter solenoid.
  4. Remove the engine harness lead (2) from the starter.

  5. Object Number: 1578421  Size: SH
  6. Remove the positive battery cable nut (2) from the starter solenoid.
  7. Remove the positive battery cable (3) and engine harness terminal (4) from the starter solenoid.

  8. Object Number: 1578423  Size: SH
  9. Remove the starter motor bolts.
  10. Remove the starter motor.

Installation Procedure


    Object Number: 1578423  Size: SH
  1. Install the starter motor.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the starter motor bolts and tighten to 40 N·m (30 lb ft).

  4. Object Number: 1578421  Size: SH
  5. Install the engine harness terminal (4) and positive battery cable (3) to the starter solenoid.
  6. Install the positive battery cable nut (2) to the starter solenoid and tighten the nut to 10 N·m (89 lb in).

  7. Object Number: 1578424  Size: SH
  8. Install the engine harness lead (2) to the starter.
  9. Install the "S" terminal connector to the starter solenoid.
  10. Lower the vehicle.
  11. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.