Pinpoint Test C: Accessory Drive Bearing Hoot
WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- C1 CHECK THE ACCESSORY DRIVE IDLER AND TENSIONER PULLEY BEARINGS
- Carry out the VEHICLE COLD SOAK PROCEDURE .
- Key in START position.
- Place an EngineEAR probe directly on the pulley center post or bolt to verify which bearing is making the noise.
- Key in OFF position.
- Is either bearing making the noise?
Yes : INSTALL a new pulley/idler. CARRY OUT the VEHICLE COLD SOAK PROCEDURE and TEST the system for normal operation.
No : CONDUCT a diagnosis on other suspect accessory drive components.