Symptom Chart: NVH
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to SERVICE INFORMATION , Diagnostic Methods for information regarding Ford-specific diagnostic practices.
Symptom Chart: NVH
| Condition | Possible Sources | Actions |
| Exterior mirror vibrates/loose | Mirror structural bracket is damaged | CLEAN the mirror housing and bracket. INSPECT the mirror for structural damage. If necessary, INSTALL a new mirror. Refer to Exterior Mirror . |
| 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 Torque Specifications . | |
| 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 and motor for damage. If the exterior mirror backing plate is damaged, INSTALL a new exterior mirror glass. Refer to Exterior Mirror Glass . If the motor is damaged, INSTALL a new exterior mirror motor. Refer to Exterior Mirror Motor . | |
| Aftermarket air deflector/stone shields or spotter | If possible, REMOVE the 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 (if equipped) | SYNCHRONIZE the power folding mirrors. Refer to Motor Synchronization - Exterior, Power Folding . | |
| 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 foam gasket between exterior rear view mirror housing and door frame or REPAIR the foam gasket as needed. 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. | |
| Exterior mirror cover | VERIFY the exterior mirror cover is not loose or broken. If necessary, INSTALL a new exterior mirror cover. Refer to Exterior Mirror Cover . | |
| The interior mirror vibrates/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. Refer to Interior Rear View Mirror . If the condition still exists, INSTALL a new mirror. |