Got a 2008 Jeep Patriot Limited. AC is blowing warm air when stationary but blow cold air when moving.

Asked by Thomas Jun 06, 2017 at 08:05 AM about the 2010 Jeep Patriot Limited 4WD

Question type: Maintenance & Repair

AC is blowing cold air when moving but changed blowing
warm air immediately when stationary at traffic light.
Have check the pressure and it is almost at 38psi. The
compressor and fan is working fine.
Please help.

2 Answers

103,215

Might be a condensor problem, restricted flow or bent fins, it works when the vehicle is moving and more air can pass through it, but when the vehicle is stopped and no air is passing through it, its efficiency drops greatly. I'd take it to an AC shop that can do a proper diagnosis and high/low pressure readings before anything else.

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