Chrism. Thank you for the reply. I have tried what you're suggesting and there is no change. I can feel a faint air movement behind the vents (with the fan set on high), but it's not pushing through. The only trick that seems to work is to shut the entire system down for 15 - 20 mins, then I'll gain...

thirdstick. Did you resolve this issue? My V70 is having a similar issue. There's cold are but very little is moving through the vents.

Update: Finally went on a 2hr + trip this weekend. The AC quit working again -- in terms of cold air not coming full force out of the vents. I had my fingers crossed that vacuuming the sensor worked. One thing I did notice this time is that, while I could feel the cold air at the vents (again, not b...

Thank you for the reply. I vacuumed out the sensor as suggested. There are visible trails of some sort of junk in there that just won't come out but I'm going to try it as is. So far I haven't driven anywhere over an hour yet.

Hello all, I purchased a used 03 V70 2.4T this past winter. With the heat on (any setting, any speed), after about an hour of driving, there is no air movement from the vents. I can hear the fan blowing and feel some faint heat from the vents when this happens. As the car has 110K miles I thought th...