Starter Motor Replacement (LP4/L21)

Starter Motor Replacement (LP4/L21)

Removal Procedure

Caution: Refer to Battery Disconnect Caution in Cautions and Notices

1. Disconnect the negative battery cable. Refer to Negative Battery Cable in Battery Cable Replacement (Negative Cable to Engine) Battery Cable Replacement (Negative Cable to Engine)Battery Cable Replacement (Positive Cable) Service and RepairBattery Cable Replacement (Negative Cable to Frame) Battery Cable Replacement (Negative Cable to Frame).




2. Remove the heat shield if the vehicle is equipped with a heat shield.
3. Remove the starter ground cables from the starter if the starter is equipped with starter ground cables.




4. Remove the electrical connectors from the starter motor.




5. Remove the starter motor bolts (3) and washers (2).
6. Remove the starter motor (1) from the engine.
7. Clean the following components:

* The starter motor solenoid terminals
* The electrical connector terminals

8. Inspect the starter ring gear teeth for wear and damage.
Replace any worn parts.

Installation Procedure




1. Install the starter motor (1) to the engine.

Notice: Refer to Fastener Notice in Cautions and Notices.

2. Install the starter motor bolts (3) and washers (2).

Tighten the starter motor bolt to 40 Nm (30 lb ft).




3. Install the electrical connectors to the starter motor.

Tighten the battery positive cable nut to 10 Nm (89 lb in).

4. Use the following procedure in order to install the starter ground cables to the starter if the starter is equipped with starter ground cables:

1. Clean the starter grounding area.
2. Coat the starter grounding area with a copper-impregnated ground sealer.
3. Install the following components to the ground stud on the starter motor end frame:

* The starter motor ground cable
* The engine harness ground wire
* The nut

4. Install the starter ground cable to the stud on the field frame.
Hold the hex-shaped base of the ground stud while tightening the nut.
5. Install the overcrank protection wire harness.




5. Install the heat shield if the vehicle is equipped with a heat shield.
Use the heat shield bolt in order to secure the heat shield.

Tighten the heat shield bolt to 12 Nm (106 lb in).

6. Connect the negative battery cable. Refer to Battery Cable Replacement (Negative Cable to Engine) Battery Cable Replacement (Negative Cable to Engine)Battery Cable Replacement (Positive Cable) Service and RepairBattery Cable Replacement (Negative Cable to Frame) Battery Cable Replacement (Negative Cable to Frame).