Most forum members described the noise as, that awful clicking noise. All the 190's got it after a period, and they claimed it to be the potientometer, and it lays under dash center area. You have to remove the whole dash to get to it. There is some linkage that is involved there. While the dash is out it is wise to go ahead and renew the pods that are defective under there, as well. Usually, the vents won't shut-off the air flow etc. You have to manually close the vents at this point.

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Rebe