Diagnostic Routine D

Diagnostic Routine D

Diagnostic Overview

Unusual Starter Noise

Normal Operation and Fault Conditions

Correct starter operation relies on correct mounting of the starter to the engine, alignment of the starter ring gear to the flywheel and correct functioning of the starter assembly (internal gears, bearings).

Visual Inspection and Diagnostic Pre-checks

- Inspect the starter motor.

- Inspect the starter motor mounting.

Pinpoint Test

1. CHECK THE STARTER MOUNTING

1. Inspect the starter mounting bolts for looseness.

Is the starter motor mounted correctly?






2. CHECK FOR STARTER NOISE

1. Ignition OFF.

2. Connect a remote starter switch between the starter solenoid C197A-1 ("B" terminal) and C197B-1 ("S" terminal).

3. Engage the starter and verify the noise is due to starter operation.

Is the noise due to the starter engagement?