My wife noticed that the heat/cool damper control position (the one that goes from blue to red) seems to matter. Is there ever a switch or something hiding in there? I wouldn't think so, but who knows. It wasn't that knob. It's the one that controls the dampers for which vents. if you move it a lit...

Yes, variable control valve. If I'm doing that, should I replace the compressor too? I think it's original. My wife noticed that the heat/cool damper control position (the one that goes from blue to red) seems to matter. Is there ever a switch or something hiding in there? I wouldn't think so, but w...

I bought a 2006 Scion xb and it had a condenser leak. I replaced the condenser and it's dryer bag. Vacuumed and refilled. It worked intermittently. It's hard to tell when it will work, it's so random. Evacuated and replaced expansion valve. It seemed to help with exit temperature, but the randoneas ...