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AC blower down on power, surges and dies
Posted: Tue Sep 13, 2011 12:52 pm
by carguyjohn350
I have an 04 Vibe GT. My ac blower is blowing very irregularly. Sometimes it blows hard, sometimes not, it surges and decreases a lot. Most of the time it blows very softly, too softly for the fan setting the switch indicates. The swith seems to work in the sense that it does decrease power from hi, but then the hi is not as hi as it should be, if that makes sense. Anybody have a suggestion?Thanks in advanve.
Re: AC blower down on power, surges and dies (carguyjohn350)
Posted: Tue Sep 13, 2011 6:38 pm
by djkeev
First thing and cheapest thing is to check the blower electrical plug on the floor. You will find it on the passenger side, about floor level, towards the front of the car. The passengers feet can dislodge it and cause intermittent operation on certain speeds.If that is tight, suspect the blower motor itself. It is located behind the glove box and is easy to access. A less likely problem would be the wiring or switch that controls the unit.Dave
Re: AC blower down on power, surges and dies (djkeev)
Posted: Wed Sep 14, 2011 1:37 am
by carguyjohn350
The connector looks and feels tight. I have read about the resistor failing. Is it possible that instead of totally failing and running on speed 4 all the time mine has failed in reverse and is running on speed 1 or 2 most of the time? If that is electrically impossible you will have to forgive my ignorance.