Starter Motor Noise Diagnosis

Starter Motor Noise Diagnosis

Diagnostic Instructions

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

Circuit/System Testing

1. Start the engine. Verify the noise can be heard. Compare the concern to a similar vehicle.
2. Remove the starter.
3. Inspect the flywheel for the following:

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

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

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

Repair Instructions

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

* Fastener Tightening Specifications 2.2L (L61)
* Engine Flywheel Replacement 2.2L (L61)
* Fastener Tightening Specifications 2.4L (LE5)
* Engine Flywheel Replacement 2.4L (LE5)
* Starter Motor Replacement (RPOs L61/LE5)