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Old 05-11-2015, 09:39 AM   #4
Zsolt
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Default Re: whine/groan from new AC Compressor

I recently had some A/C issues with my L200. And though my compressor originally did not work due to the BCM. Once fixed, I also experienced a similar groan/whining sound that would come and go. Though my pressure's were spot on, the issue seemed to be air in the system. I would highly recommend draining and refilling the system completely to eliminate possible air trapped in the line. This can occur even with experienced shops is they have a small bubble of air in their fill lines when working on your system.

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