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Problem with my ventilation system 900 1991

posted by  Speedmaster on  Tue Jun 10 12:47 CST 2003
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I have a 1991 940 SE which has a ACC climate controller. When I turn on the blower fan, I hear it running but there is no air coming out of the various discharge ports. I checked and replaced the two check valves in the engine
compartment but it did not help. The AC system was recently converted to R-134a with new a compressor and a new blower fan was installed. I can't find anything on the 900 FAQ regarding this specific problem.

I'm not sure if this is a symptom of the above problem but I had the heater control valve go out recently causing coolant leakage through out the engine compartment. The valve was replace...

Can someone shed some light on this problem.

Thanks.








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Problem with my ventilation system 900 1991

posted by  Matt L on  Tue Jun 10 13:27 CST 2003
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last visit: Mon Aug 23 08:46 CST 2010
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I'd bet money that the wrong blower fan was installed. The fins are probably oriented the wrong way, or less likely, it's running backwards. I know there are at least 2 types of squirrel-cage fans, because when I replaced my fan last summer I also got the wrong one. If you still have the old unit compare it to the new one and I'm sure you'll see the difference.


--
Matt L. -- Cary, NC -- '91 740 wagon







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