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Cavalier Starting in the 1980s. the Cavalier made a name for itself by offering an affordable 2 and 4 door compact.
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Extreme vibration

Old February 12th, 2019, 9:26 PM
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My 02 Cavalier vibrates violently when heater fan is turned on. It doesnt always do it but when it does the whole car shakes bad & it is very loud. When I get up to the speed of about 38mph it stops. Also decelerating causes it to start again when I get below a certain speed. Never have seen or heard of this before. What is going on ?
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Old February 13th, 2019, 12:14 AM
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See if the headlights dim at the same time. If so, your alternator might not be able to keep up.
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