My wife drives the xc70 and reports that the a/c sometimes is cold, but usually not. The clutch is engaging and disengaging when turning the a/c on and off, the compressor sounds nice and quiet, normal. I bought a diy a/c charger can with gauge, hooked it up to refill as per the instructions and the gauge says the a/c system is already properly charged. Now I'm thinking that maybe there is a problem with the a/c heater blend door actuator in a desparate quest to avoid taking it to a real mechanic. How do I find this actuator, and is there any testing procedure to see if it works or not? Any other thoughts on potential problems would be welcomed too. Thanks! - Jon
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