cdl2ExplorerJun 15, 20152001 F 53 heat & A/C cuts out?The heat & A/C cuts out. I've been told it's the lack of vacuum. I've added an additional vacuum tank, but it doesn't seem to help. Any suggestions on what to do?
cdl2ExplorerJun 17, 2015bsinmich........low side pressure was around 20 psi.I'd like to check out your GMC some time.
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