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Vibration/Hum front left with AC on

I have a 2001 911/996 Carrera Coupe and recently noticed a vibration/hum coming from the front/left side of the car with the AC on. This only happens with the AC running and the car does not need to be moving to hear/feel the noise/vibration. I've checked the refrigerant and all looks to be in order. Thoughts on what this could be? AC blows cold, heat works as it should and the blower seems strong with no noticeable noises that point me to that.

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Old 03-25-2017, 09:27 AM
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Cooling fan bearing noise? What does the other side sound like?
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Old 03-25-2017, 10:39 AM
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Yes, after some additional research, I think it is the cooling fan. The right side sounds fine, only noisy on the left. Thanks for the input...

Bill
Old 03-26-2017, 09:51 AM
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Hi Bill,

If you need additional info on the cooling fan replacement or a guide to the process, check out the link below. If you have any additional questions, feel free to post a Comment just below the article and we'll do our best to give you details.


Porsche 911 Carrera Radiator and Fan Replacement - 996 (1998-2005) - 997 (2005-2012) - Pelican Parts Technical Article


-Dmitry
Old 03-30-2017, 02:13 PM
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