F350 Damper problem
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Elder User
Joined: Oct 2004
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F350 Damper problem
My 2002 is acting really strange. The a/c quits blowing once you get up to 65 mph or so. It looks to me to be a damper problem, because the temperature stays pretty cool, it just doesnt blow as hard (like, almost not at all). You can hear the fan rip roarin away and it sounds like it is dead heading in the lower part of the passenger side in the climate control system. I checked all the dampers and they seem to have full range of motion, it is not the main damper that goes between hot and cold, that one works at any speed, the other two seem to be working also, but for some reason whenever i get up to high speeds, the air just poops out. If you slow back down, rotate your climate control **** from ac to vents and back again, it starts working fine. speed up again, and it poops back out. Is my vacuum pump out?
Any thoughts?
Any thoughts?
