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 3.8L engine
* Fastener Tightening Specifications (Specifications) for the 5.3L engine
* Engine Flywheel Replacement (Service and Repair) for the 3.8L engine
* Engine Flywheel Replacement (Service and Repair) for the 5.3L engine
* Starter Motor Replacement (L26 - 3.8L) (Service and Repair)Starter Motor Replacement (LS4 - 5.3L) (Service and Repair)