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Re: GM's A/C compressors with a terrible hammering noise
Posted to HVAC Forum on 10/3/2007

If you're not using a micron gauge, then I suggest you purchase one during the off season and learn how to use it. You can then hit the ground running next season. >>>>>>

I think that is some real good advice, and I hope to have the money come next season to... Login to read more.