Starter Noise Diagnosis

Starter 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

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

* Fastener Tightening Specifications (6.2L LS3) Fastener Tightening SpecificationsFastener Tightening Specifications (7.0L LS7) Fastener Tightening SpecificationsFastener Tightening Specifications (6.2L LS9) Fastener Tightening Specifications

* Engine Flywheel Replacement (LS9 and LSA) Service and RepairEngine Flywheel Replacement (Except LS9 and LSA) Service and Repair

* Starter Replacement Service and Repair