Starter Motor: Service and Repair

Starter Motor Replacement (LS4-5.3L)

Removal Procedure




1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (RPO LS4) (Service and Repair)Battery Negative Cable Disconnection and Connection (RPOs LZE/LZ4/LZ8) (Service and Repair).
2. Remove the starter solenoid BAT terminal nut (3) and remove the positive battery cable (2) from the starter motor.
3. Remove the engine harness terminal (4) from the starter motor.




4. Disconnect the starter motor electrical connector (1).
5. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement (Service and Repair).




6. Remove the starter motor bolts and starter motor.

Installation Procedure




1. Position the starter motor to the engine.

Caution: Refer to Fastener Caution (Fastener Caution).

2. Install the starter bolts.

Tighten the bolts to 50 Nm (37 lb ft).




3. Connect the starter motor electrical connector (1).




4. Install the engine harness terminal (4) to the starter motor.
5. Install the positive battery cable (2) and the starter solenoid BAT terminal nut (3) to the starter motor.

Tighten the solenoid BAT terminal nut to 10 Nm (89 lb in).

6. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement (Service and Repair).
7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (RPO LS4) (Service and Repair)Battery Negative Cable Disconnection and Connection (RPOs LZE/LZ4/LZ8) (Service and Repair).