Symptom Chart - Noise, Vibration and Harshness (NVH)

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. 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 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 casual 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 glass seals	Go to Pinpoint Test A .
The roof opening panel rattles	Roof opening panel glass adjustment Roof opening panel lifter assemblies Roof opening panel tracks Roof opening panel drain channels and guides Roof opening panel shield Roof opening panel air deflector Roof opening panel assembly	Go to Pinpoint Test C .
The roof opening panel is noisy during operation	Roof opening panel glass adjustment Roof opening panel tracks Roof opening panel shield Roof opening panel motor	Go to Pinpoint Test D .
The roof opening panel makes ratcheting noise only in VENT position	Roof opening panel motor installed without motor clip	If original clip is not available, INSTALL a new roof opening panel motor. REFER to Roof Opening Panel Motor .