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Registered
2015 Mazda3 S GT Hatchback 2013 Kia Optima SXL
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2,817 Posts
Discussion Starter #1
I recently had an HVAC blower issue and I remedied it. I now have an issue where only the front passenger gets cold air when climate control is set to 60. The front driver as well as the rear controls only get warm air. I wouldn't even know where to begin as far as searching goes so I post my question here. Anyone know what is wrong?

Don
 

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Registered
1997 SLS
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550 Posts
From recent threads here on similar topics, it could be just a little low on freon or you have an air mix system problem. Do you have any DTCs from ACM?
 

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Super Moderator
2010 DTS
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87,573 Posts
Yup, that is a symptom of low refrigerant in a dual zone system. Usually not low enough to set a DTC.
 

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Registered
2015 Mazda3 S GT Hatchback 2013 Kia Optima SXL
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2,817 Posts
Discussion Starter #4
Well you guys were correct. I bought a recharge canister and checked it out. It was borderline low. I filled it to right at the top level of fullness and it is blowing cold again. The passenger side air is still several degrees cooler but I will stay cool while driving this summer.

Don
 
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