Starter Motor Noise Diagnosis

Starter Motor Noise Diagnosis

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (Initial Inspection and Diagnostic Overview) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (Initial Inspection and Diagnostic Overview) for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions (Initial Inspection and Diagnostic Overview) provides an overview of each diagnostic category.



Circuit/System Testing

1. Inspect the starter motor mounting bolts for proper torque refer to Fastener Tightening Specifications (Specifications)
2. Remove the starter motor.
3. Inspect the flywheel for the following:

* Loose flywheel bolts
* Chipped gear teeth
* Missing gear teeth
* Bent flywheel


• If not within specifications, secure the flywheel bolts or replace the flywheel.


• If all inspections were within specification, replace the starter motor.




Repair Instructions

Perform the Diagnostic Repair Verification (Verification Tests) after completing the diagnostic procedure.

* Fastener Tightening Specifications (Specifications)
* Engine Flywheel Replacement (Engine Flywheel Replacement)
* Starter Motor Replacement (Starter Motor Replacement)