Conquer Warm A/C Air The Ultimate DIY Guide for Beginners

Your AC blowing warm air could be due to a refrigerant leak. We explained how the refrigerant, when put under pressure, gets hotter. A slightly low refrigerant charge will cause this. What's probably happening is when the engine speed picks up from idle, the low side pressure is going too ... The first step in handling a malfunctioning air conditioner is to check if the thermostat is set to “heat” or “cool.” The car was blowing good cold air for about 2 weeks then one day out of no where it cut out and has been blowing nothing but hot air. Any thoughts on this or ... From low refrigerant levels to a clogged filter, we'll help you diagnose the problem so you can get back to enjoying the cool air in your car. The refrigerant may not be circulating properly due to a leak, a faulty compressor, or a restriction in the system. The noise you mentioned ... There could be a multitude of root causes with common ones being a plugged cabin air filter, bad compressor, clogged expansion valve, or low refrigerant level. That happens when the temperature dial is set to the “max” detent. It's intended to maximize a/c performance, so whether it is open or closed ... you mentioned your blend door is acting up -- its possible you may have issues with the heater core and the blend door that opens up to let warm ... like max a/c? Does it blow cold when in the middle of the cold or just a couple clicks from the end? CURRENTLY WORKING ON A RIDGE WITH A/ ...