9000 Aero MY97: Cabin Fan Blower Unit Problems - Saab 9000 Bulletin Board - Saabnet.com
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9000 Aero MY97: Cabin Fan Blower Unit Problems
Posted by Tony [Email] (more from Tony) on Sat, 3 Feb 2007 18:19:20
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Well I have just managed to exchange the cabin fan unit on my 9000 Aero MY97. A pig of a thing to replace and took me considerable time (and patience). Fired up the beast for a test run (btw, I replaced it with a second hand unit from a non-ACC 9000with low miles). Previously my fan had been suffering from progressive bearing noise to a recent situation where the fan would run intermittantly and vary depending on car movement (suggesting worn brushes on motor). Anyway, exchanged with the newer unit and did a test run. Seemed to be ok but then noticed irregular fan speeds. Also with Air con on and set to LO setting, fan speed did not seem to be as strong as it should have been. Some questions:
1. Could be the replacement blower unit also has a problem (????)
2. Could be fan speed regulator/controlled
3. Could be tempereature sensor (unlikely)
Can anyone advise likely hood of fan speed controller being flakey.
Thanks in Advance
Tony
posted by 203.214.94...
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