This is my neighbor's car. Neighbor says she drives for 30 minutes and gets cold air just fine, but then it stops blowing cold and blows hot. It's happened several days in a row. I put a thermometer in the duct and it's blowing 45-50 degrees.
I couldn't replicate the problem. I put gauges on after running it, and it took about 30 minutes for the pressures to equalize, which I've never seen. When not running, pressures were 80 on an 85-degree day. When running, pressure was steady at 80 on low and 150 on high.
I had noticed that the air coming out wasn't blowing particularly strongly, so I checked the cabin air filter, and I pulled out what may have been the original one. Very densely packed debris and torn pleats. I ran it without a filter thinking that it may have resulted in a frozen evaporator, but that did not solve the problem.
Can anyone point me in a direction to check? Thanks for taking the time to read this!
I couldn't replicate the problem. I put gauges on after running it, and it took about 30 minutes for the pressures to equalize, which I've never seen. When not running, pressures were 80 on an 85-degree day. When running, pressure was steady at 80 on low and 150 on high.
I had noticed that the air coming out wasn't blowing particularly strongly, so I checked the cabin air filter, and I pulled out what may have been the original one. Very densely packed debris and torn pleats. I ran it without a filter thinking that it may have resulted in a frozen evaporator, but that did not solve the problem.
Can anyone point me in a direction to check? Thanks for taking the time to read this!
Aug 5, 2023 at 2:52 AM
