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 Fastener Tightening Specifications for the 4.3 L engine, Fastener Tightening Specifications Fastener Tightening Specifications for V8 gas engines or Fastener Tightening Specifications Fastener Tightening Specifications for the 6.6 L engine

* Engine Flywheel Replacement for the 4.3 L engine, Automatic Transmission Flex Plate Removal Automatic Transmission Flex Plate Removal for V8 gas engines or Engine Flywheel Replacement for the 6.6 L engine

* Starter Replacement (Diesel) Starter Replacement (Diesel)Starter Replacement (V8) Starter Replacement (V8)Starter Replacement (V6) Starter Replacement (V6)