Pinpoint Test B: Unusual Starter Noise
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
- B1 CHECK THE STARTER MOUNTING
- Inspect the starter motor mounting bolts and brackets for looseness.
- Is the starter motor mounted correctly?
Yes : GO to B2.
No : INSTALL the starter motor correctly. REFER to STARTER MOTOR - 2.3L or STARTER MOTOR - 3.0L . TEST the system for normal operation.
- B2 CHECK FOR ENGINE NOISE
- Turn the ignition switch to the OFF position.
- Connect a fused jumper wire from the B-terminal to the S-terminal of the starter motor. Engage the starter motor and verify that the noise is due to the starter operation.
- Is the noise due to the starter motor engagement?
Yes : GO to B3.
No : REFER to ENGINE SYSTEM-GENERAL INFORMATION to continue the diagnosis.
- B3 CHECK FOR UNUSUAL WEAR
- Remove the starter motor. Refer to STARTER MOTOR - 2.3L or STARTER MOTOR - 3.0L .
- Inspect the ring gear for damaged or worn teeth.
- Is the noise due to flywheel ring gear tooth damage?
Yes : INSTALL a new flywheel ring gear. EXAMINE the starter pinion teeth. If damaged, INSTALL a new starter motor. REFER to STARTER MOTOR - 2.3L or STARTER MOTOR - 3.0L . TEST the system for normal operation.
No : INSTALL a new starter motor. REFER to STARTER MOTOR - 2.3L or STARTER MOTOR - 3.0L . TEST the system for normal operation.