ML320 Air Conditioning Noisy - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 01-15-2009, 09:35 AM Thread Starter
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Date registered: Jan 2008
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Unhappy ML320 Air Conditioning Noisy

I own an ML320 2001 model. Some time back the a/c started making a grinding noise and it got relatively loud so I had the compressor replaced (at a shop specializing in MB). Unfortunately, the noise was still there after I got the car back. I had it re-checked but the shop couldn't find anything. This thing is driving me nuts. Besides the grinding noise seemingly the compressor is occasionally making what sounds like a wheezing noise. If I turn the a/c off, it's gone.
I took it to an MB shop and they said the aux. fan assembly is faulty. Cost around $900. Since it's still cooling very well, that's not what I wanted to spend just to get rid of the noise. Also, I pulled the circuit breaker for the aux. fan, but the noise was still there. So would could it be, and what can be done?
Any ideas out there?
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