Hello, me again---another problem---the air has always worked great in my truck till just recently---it started blowing just cool air---then its got to blowing hot air in the a/c mode.--I felt of the heater hoses and they were both very hot-- whitch my weak mind tells me that the heater valve is stuck in the open position---or --no vacum to close it---in either case--it looks like a nightmare to get to under the dash.--My question is--can I bypass the old valve and install a new one on the firewall---then put a T in the vacum line that runs the old valve and hook to the new one. Heater hoses are easy to get to. If this is feesable --should I use the heater hose comming from the water pump. Thanks---don-- PS gauge shows a/c to be fully charged.
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Monday, August 10th, 2009 AT 3:17 PM