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Old 06-13-2011, 02:58 PM   #1
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This might be useful:
http://sites.google.com/site/mikefocke2/undocumentedacdiagnostics

If you have foam coming out the vents your mix flap is toast. Even if you get the refrigeration working properly it will not give you proper A/C due to the failed flap. A DIY was posted awhile ago but I could not find it.
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Old 06-13-2011, 03:07 PM   #2
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The mixing flap can cause the car to blow warm while the A/C seems to be functioning normally, the flap being disabled will allow heated air to mix with the cooled air, so the output seems warm; but it does not disable the compressor from reaching normal operating pressure differentials, which is what he is seeing. I think his issue lies elsewhere………..

If you want to look at checking out the flap, RennTech has a method in their DIY section I believe.
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Last edited by JFP in PA; 06-13-2011 at 03:09 PM.
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Old 06-14-2011, 11:04 AM   #3
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I was doing some browsing myself and like others here was unable to find an active link. Mikefocke had responded and said it was on his website too but it would be the same link anyway. Can someone give me a valid link for the DIY?

Also, I have some new information which may or may not be useful. Whether the car is off or on at full a/c, the pressure needle will always read that 150psi value. Not sure if that eliminates anything or makes something a bit more suspect.

Anyone think the expansion valve may be bad?

EDIT: I found the DIY on renn and I'm going to attempt the same fix. I'm not sure how this would actually fix my low side high pressure issue, but at least I can remove the rest of that irritating foam. I'm stuck at one of the earlier steps. I have provided a picture of what I am seeing here. I believe that on the DIY he is saying to remove the pieces where I have labeled as B, however I felt resistance and I'm not in the mood to damage anything. Anyone know how to separate the bottom side of the flap?

DIY: =http://www.renntech.org/forums/tutorials/article/121-fixed-my-lack-of-heat-problem-here-is-the-procedure/


Last edited by Viper5; 06-14-2011 at 03:54 PM.
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