Pinpoint Test B: 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 flexplate and correct functioning of the starter assembly (internal gears, bearings).
Possible Sources
- Engine
- Starter motor
- Starter motor mounting
Visual Inspection and Pre-checks
- Inspect the starter motor.
- Inspect the starter motor mounting.
- B1 CHECK THE STARTER MOUNTING
- Inspect the starter mounting bolts for looseness.
Is the starter motor mounted correctly?
Yes GO to B2 No INSTALL the starter motor correctly. REFER to: Starter Motor - B2 CHECK FOR STARTER NOISE
- Ignition OFF.
- Connect a remote starter switch between the starter solenoid C197C-1 ("B" terminal) and C197B-1 ("S" terminal).
- Engage the starter and verify the noise is due to starter operation.
Is the noise due to the starter engagement?
Yes REFER to: Starter Motor No REFER to: Engine