Symptom Chart: Rear View Mirrors - NVH

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices.

NOTE: Clean the entire mirror assembly and glass to assist in verification of the customer concern and/or impact damage. Do not clean any mirror glass or housing with an ice scraper, razor blade, abrasive pad, harsh chemicals or petroleum based cleaning products, as these may damage the mirror glass and/or housing.

Condition	Possible Causes	Action
Exterior mirror housing vibrates or is loose	Power folding mirrors are not synchronized	SYNCHRONIZE the power folding mirrors. REFER to: Power Mirrors Synchronization .
	Exterior mirror mounting nuts loose	TIGHTEN the exterior mirror mounting nuts. REFER to: Exterior Mirror .
	Aftermarket air deflector/stone shields	If possible, REMOVE the aftermarket parts and ROAD TEST the vehicle. If the concern is no longer present, ADVISE the customer that the aftermarket components were causing the undesired vibration.
Exterior mirror glass vibrates or is loose	Exterior mirror motor mounting screws loose Exterior mirror glass loose Exterior mirror glass	PRESS the center of the exterior mirror glass up, down, left and right to make sure that the exterior mirror glass is seated correctly. If the exterior mirror glass is still loose, REMOVE the exterior mirror glass. INSPECT the exterior mirror backing plate for damage. INSPECT the exterior mirror motor mounting screws and TIGHTEN if necessary. If the exterior mirror backing plate is damaged, INSTALL a new exterior mirror glass. REFER to: Exterior Mirror .
Wind noise	Foam gasket between exterior mirror housing and door is misaligned or damaged	VERIFY the gasket is in good condition. If necessary, REPOSITION the gasket between the exterior mirror housing and the door or REPAIR the foam gasket as necessary. The foam gasket is not serviceable and if it cannot be repaired, INSTALL a new exterior mirror. REFER to: Exterior Mirror .
	Exterior mirror is not correctly fitted to the door	VERIFY there are no gaps between the exterior mirror and the door. If necessary, LOOSEN the exterior mirror nuts and REPOSITION the exterior mirror as necessary. REFER to: Exterior Mirror .
	Exterior mirror impact damage	INSPECT the exterior mirror to ensure that there is no damage to the housing or glass.
The interior mirror vibrates or is loose	Interior mirror mounting loose	If the mirror is still on the windshield, do not remove . ATTEMPT to fully seat the mirror first. If the mirror is still loose or vibrates, REMOVE and REINSTALL the mirror. If the condition still exists, INSTALL a new interior mirror. REFER to: Interior Rear View Mirror