Starter Motor: Service and Repair

Starter Motor









Removal and Installation

WARNING: Always disconnect the battery ground cable at the battery before disconnecting the starter motor battery terminal lead. If a tool is shorted at the starter motor battery terminal, the tool can quickly heat enough to cause a skin burn. Failure to follow this instruction may result in serious personal injury.

WARNING: Shut off the electrical power to the air suspension system prior to hoisting or jacking an air suspension equipped vehicle. Failure to do so may result in unexpected inflation or deflation of the air springs, which may result in shifting of the vehicle during these operations. Failure to follow this instruction may result in serious personal injury.

1. WARNING: Before servicing a vehicle equipped with a fire suppression system, depower the system by following the procedure in Fire Suppression System. Failure to follow the instructions may result in serious personal injury Procedures.

With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Jacking and Lifting Service and Repair.

2. Disconnect the battery ground cable. For additional information, refer to Battery, Mounting and Cables Battery Disconnect.

3. Remove the terminal cover on the starter solenoid.

4. Remove the B-terminal nut and disconnect the wire.
- To install, tighten to 12 Nm (106 lb-in).

5. Remove the S-terminal nut and disconnect the wire.
- To install, tighten to 6 Nm (53 lb-in).

6. Remove the 3 bolts and the starter motor.
- To install, the upper and lower starter bolts should first be finger-tight.

- Tighten the 2 upper bolts to 25 Nm (18 lb-ft).

- Tighten the lower bolt to 25 Nm (18 lb-ft).

7. WARNING: If the vehicle is equipped with a fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System. Failure to follow these instructions may result in serious personal injury Description and Operation.

To install, reverse the removal procedure. If equipped with a fire suppression system, repower the system.