A/C issues

Asked by Jul 16, 2019 at 05:41 PM about the 2011 Chevrolet Aveo LS Sedan FWD

Question type: Maintenance & Repair

A/C blows out warm air, you can hear the compressor kick in when you turn on the A/C, I went and bought a recharge kit and followed the directions, made sure it was on properly and the car wouldn't accept any of the coolant. I have recharge other cars before and never had this issue. any ideas on what is causing this and how to fix it.

1 Answer

300

The compressor cycling indicates pressure in the system which is good. Not taking any refrigerant could be a dead giveaway meaning the compressor is not pulling a vacuum. But it could be any number of things. Damper control that blocks the heater core might be the culprit. Try turning the control to full heat then back to cold to see if there is a temp difference. Aside from that, you need some gauges, high and low to diagnose your system. Without those, you wont be able to tell anything. The compressor might be bad or weak, the expansion valve stuck open, lines clogged, condenser bad or clogged, evaporator clogged. Gauges are available from harbor freight. Inexpensive and invaluable. If you are not sure about using them, then take the car to a reliable mechanic. Last resort, some recharging solutions have low pressure (blue) gauge. If you have one, check the low side pressure. Should be 25 to 40 psi.

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