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. 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 for the 4.3 L engine, Fastener Tightening Specifications for V8 gas engines or Fastener Tightening Specifications for the 6.6 L engine
* Engine Flywheel Replacement for the 4.3 L engine, Automatic Transmission Flex Plate Removal for V8 gas engines or Engine Flywheel Replacement for the 6.6 L engine
* Starter Motor Replacement (4.3L) Starter Motor Replacement (4.8L, 5.3L, and 6.0L) Starter Motor Replacement (6.6L).