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International Automotive Technicians Network
Re: 99 F350 HVAC Stuck In Defrost
Posted to Technical Discussion Forum on 11/12/2006

Thanks Michael, The Vacuum connector under the dash was the first thing I found, unplugged. I thought I fixed it, but couldn't be that lucky. Then I tried to unplug it again to check vacuum, and wondered how it got unplugged, because it didn't pull apart very ... Login to read more.