Starter Motor Noise Diagnosis

Starter Motor Noise Diagnosis

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (Diagnostic System Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (Strategy Based Diagnosis) for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions (Diagnostic Procedure Instructions) 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 (Fastener Tightening Specifications) for the 3.7L engine or Fastener Tightening Specifications (Fastener Tightening Specifications) for the 5.3L engine
* Engine Flywheel Replacement (with Automatic Transmission) ()Engine Flywheel Replacement (with Manual Transmission) () for the 3.7L engine or Automatic Transmission Flex Plate Replacement (Service and Repair) for the 5.3L engine
* Starter Motor Replacement (LH8) (Service and Repair)Starter Motor Replacement (LLR) (Service and Repair)