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On A/C the fresh air door should be open and interior door closed. My Situation In that mode is the fresh air door does not open. On A/C MAX the interior door is suppose to open and fresh door stays closed . The vacum hoses ae all connected together. Evert other mode works fine . Defrost /heat...

guys" How important is the" evaporator pressure regulator"? Several people tell me that you cannot get that part anymore and any rebuilt compressors that you buy would would be without that component. Can a system operate without a EVR valve?????? This weekend I am changing the Expansion Valve...

I really appreciate all your help! . I have ordered a new one . That is the only piece that i havent changed,Please stay with me on this one its driving me crazy and broke at the same time. I am a fairly good wrench but the learning curve is way to long for my patience. I will post the results...

yes I by-passed /jumped the low presure switch it still continued to cycle on /off. the manual refers to another switch that senses the temp on the condensor inside the car. It refers it to a temp sensing switch. That I jumped and the clutch continually stayed on which is what brought the low...

new dryer. the service manual on the car says nothing about blocking the condensor in my book. it says the high side should be a minimum of 140-180 or 200.what do you mean by the txv. we pulled a vacumm in a heated garage. The car is in a heated garage at all times . I am trying to finish the...

1972 dodge demon 340/ yes factory 100% stock a/c . yes on reading the manual . proper oil non parafin. 8-10oz of compressor oil. never ran the system prior resto on the car. In Chicago heated garage 70 degrees farenhiet. 25 degrees inside car with temo gauge probe in vents. No on blocking...

:wack:new rebuilt compressor using r-12/ new drier . clutch cycles/ max 50lbs high side pressure, Low side pressure is 45+50lbs drops down to 20lbs when clutch is engauged and then as soon as it gets to 20 clutch dis=engauges.the high also drops down when compressor is engauged. when i jump the...