Symptom Chart - Noise, Vibration and Harshness (NVH)

WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Noise, vibration and harshness (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 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 AND HARSHNESS article for the next likely system and continue diagnosis.

Condition	Possible Sources	Action
The roof opening panel has excessive wind noise	Incorrect adjustment Roof opening panel weatherstrip/seals Mechanism mistimed	Go to PINPOINT TEST A .
The roof opening panel rattles	Roof opening panel Roof opening panel tracks Roof opening panel air deflector assembly Roof opening panel trough Roof opening panel lifter assemblies Roof opening panel water trough guide Headliner Motor pad Rear side brackets	Go to PINPOINT TEST C .
The roof opening panel is noisy during operation	Roof opening panel Roof opening panel tracks Roof opening panel lifter assemblies Roof opening panel adjustment Roof opening panel motor/module assembly	Go to PINPOINT TEST D .