Question about 1990 Dodge Dakota

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When I turn on the AC, a low grinding noise starts, but if I have the fan going only, there is no noise. As soon as I turn off the AC, the noise starts. What could be the cause?

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The fan is separate from the AC clutch and compressor which is located in the engine compartment.

The noise you are hearing is most likely a bearing going out. The fact that your hearing it tells me the system is probably still blowing cold air so a good thing is you havn't lost your freon yet. This is a job for a repair shop to perform.

If indeed it is a AC compressor clutch bearing going bad do not use the AC till you get it looked at

Posted on Jul 17, 2009

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Posted on Jan 02, 2017

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