Quote:
Originally Posted by Alfieg23
The process I suggested is not to be done while driving so it does not affect the air temperature while driving. I did it to see if it resolved the frequent pieces of foam from shooting out the vents. I open each vent with the A/C on full blast for maybe 5 minutes each with the vacuum on and its nozzle brush flush against the open vent (and the other vents closed). After I repeat this with each vent, I then open all the vents and resume using the A/C as usual. I have only had a couple of small pieces of foam come out in over a year which I think is pretty good.
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I think you missed the point.
Without installing new material on the flaps to replace the lost foam, the diverter flaps won't divert correctly.
Your AC will be blowing over the hot heater core, at least partially, making the AC not as cold as it could/should be.