Symptom Chart - NVH
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
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 & HARSHNESS
article. 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 & HARSHNESS
article for the next likely system and continue diagnosis. SYMPTOM CHART - NVH
| Condition |
Possible Sources |
Action |
- Exterior mirror vibrates/loose
|
- Exterior mirror mounting nuts loose
|
- TIGHTEN the exterior mirror mounting nuts to the specified value located in the Torque Specifications table.
|
- Exterior 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 a new exterior mirror glass. REFER to EXTERIOR MIRROR GLASS in this service information.
|
- 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.
|
|
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- Foam gasket between the exterior mirror and door frame is missing or damaged
|
- VERIFY that the foam gasket is present and in good condition. If necessary, REPOSITION the foam gasket between the exterior mirror and door frame.
|
- 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.
|
|
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- VERIFY that the exterior mirror cover is not loose or broken. If necessary, INSTALL a new exterior mirror cover. REFER to EXTERIOR MIRROR COVER in this service information.
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