Pinpoint Test C : Unusual Starter Noise: Notes
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Overview
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Service Information .
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).
Possible Sources
- Engine
- Starter motor.
- Starter motor mounting.
Visual Inspection and Diagnostic Pre-checks
- Inspect the starter motor.
- Inspect the starter motor mounting.