Diesel Data: Automotive Repair

Starter Motor: Service and Repair



Starter Motor

Removal

1. WARNING: When servicing the starter motor or performing any maintenance in the area of the starter motor, note that the heavy gauge input lead connected to the starter solenoid is hot at all times. Make sure that the protective cap is installed over the terminal and is replaced after service.

Disconnect the battery ground cable.

2. Raise the vehicle on a hoist.
3. Disconnect the heated oxygen sensor (HO2S) connector and remove the bracket.
4. Remove the starter bolts.

5. CAUTION: When disconnecting the hard-shell connector at the S-Terminal, grasp the plastic shell and pull off. Do not pull on the wire. Be careful to pull straight off to prevent damage to the connector and S-Terminal. If any part of the connection is damaged, replace the damaged components.

Disconnect the starter cable and push-on connector from the starter solenoid.

6. Remove the starter.

Installation
1. Position the starter motor to the engine.
2. Connect the starter solenoid connector.
3. Install the starter cable nut to starter solenoid B-Terminal. Tighten to 12 Nm (9 lb-ft)
4. Replace the red starter solenoid safety cap.
5. Install the starter motor bolts. Tighten to 24 Nm (18 lb-ft)
6. Install HO2S bracket. Tighten the nut to 24 Nm (18 lb-ft)
7. Connect the HO2S connector.
8. Lower the vehicle to the floor.
9. Connect the battery ground cable.