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. Remove the flywheel inspection cover.
2. 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

* Fastener Tightening Specifications (Specifications) for the 4.4L engine or Fastener Tightening Specifications (Specifications) for the 4.6L engine.
* Engine Flywheel Replacement (Engine Flywheel Replacement) for the 4.4L engine or Engine Flywheel Replacement (Engine Flywheel Replacement) for the 4.6L engine.
* Starter Motor Replacement (LC3) (Service and Repair)Starter Motor Replacement (LH2) (Service and Repair)