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Max AC not kicking on

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Old 06-16-2018, 08:05 AM
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Vol1976
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Default Max AC not kicking on

My Max A/C does not seem to be engaging properly. Regular A/C works fine but when I click on Max Air, the air flow does not change and temp reading reads LOW. Usually when you turn on max the air flow is strong and loud! Any ideas? Again, regular air is cold and not issues, just can't get the max to engage. Thanks.
Brian

2011 Cayenne S
Old 06-16-2018, 10:14 AM
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J'sWorld
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Originally Posted by Vol1976
My Max A/C does not seem to be engaging properly. Regular A/C works fine but when I click on Max Air, the air flow does not change and temp reading reads LOW. Usually when you turn on max the air flow is strong and loud! Any ideas? Again, regular air is cold and not issues, just can't get the max to engage. Thanks.
Brian

2011 Cayenne S
You have an issue with one of the flapper doors in the HVAC. Likely the recirculate.
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deilenberger (05-21-2021)
Old 06-16-2018, 10:31 AM
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Dilberto
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Try looking at the blower motor resistor...
Old 06-16-2018, 10:49 AM
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Vol1976
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Thank you. I will have all those checked. Does not sound like something a novice like me can do. I just wanted to make sure it was not something I had done wrong on it. I just tried the defrost as well. Same thing. We all know that when defrost is on high, you can't hear anything it is blowing so hard. Thanks everyone!
Old 05-21-2021, 10:28 AM
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jeffro22
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Check this out

https://rennlist.com/forums/cayenne-...tor-issue.html



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