Symptom Chart - NVH

Condition	Possible Sources	Action
NOTE: NVH symptoms should be identified using the diagnostic tools that are available. For a list of these tools, an explanation of their uses and a glossary of common terms, refer to Noise, Vibration and Harshness . Since it is possible any one of multiple systems may be the cause of a symptom, it may be necessary to use a process of elimination type of diagnostic approach to pinpoint the responsible system. If this is not the causal system for the symptom, refer back to Noise, Vibration and Harshness for the next likely system and continue diagnosis.
Mirror vibrates/loose	Exterior mirror motor screws loose	REMOVE mirror glass and TIGHTEN the 3 exterior mirror motor screws.
Exterior mirror mounting nuts loose		TIGHTEN the exterior mirror mounting nuts. REFER to Specifications .
Mirror glass loose		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 and INSPECT the exterior mirror backing plate for damage. If the exterior mirror backing plate is damaged, INSTALL new exterior mirror glass. REFER to Exterior Mirror Glass .
Aftermarket air deflector/stone shields		If possible, REMOVE aftermarket air deflector/stone shield, then ROAD TEST the vehicle. If concern is no longer present, ADVISE customer that aftermarket components were causing undesired vibration.
Power folding mirrors are not synchronized		SYNCHRONIZE the power folding mirrors. REFER to Exterior Mirror Motor Synchronization - Power Folding .
Exterior mirror is structurally damaged		INSPECT the power folding mirror for structural damage. If necessary, INSTALL a new power folding mirror. REFER to Exterior Mirror .
Exterior mirror motor cracked		INSTALL a new exterior mirror motor. REFER to Exterior Mirror Motor .
Exterior mirror glass dampener springs missing (LH only) or damaged		INSTALL new exterior mirror glass. REFER to Exterior Mirror Glass .
Wind noise	Foam gasket between exterior mirror and door is damaged or misaligned	VERIFY gasket is in good condition. If necessary, REPOSITION foam gasket between exterior rear view mirror and door frame or REPAIR the foam gasket if possible.
Exterior mirror is not correctly fitted to the door		VERIFY that there are no gaps between the exterior mirror and the door. If necessary, LOOSEN the exterior mirror nuts and REPOSITION the exterior mirror.
Exterior mirror cover		VERIFY that the exterior mirror cover is not loose or broken. If necessary, INSTALL a new exterior mirror cover. REFER to Exterior Mirror Cover .
Exterior mirror plastic housing damaged/joints knocked out of alignment		SNAP the misaligned pieces into place if possible. If the mirror cannot be aligned, INSTALL a new exterior mirror. REFER to Exterior Mirror .