Date: Sun, 08 Sep 2002 00:57:26 GMT
From: Fred E. Davis <FEDavisnopsamdnet.att.net>
Subject: Re: '93 9000CS - annoying in-dash ACC fan


On Fri, 6 Sep 2002 15:12:25 -0400, "Joe Radio" <kb2radionopsamail.com> wrote: >OK, I can't be only one with this problem! My 1993 9000CS has a tiny fan >in the dashboard (just below the seat warmer switches) that makes an >annoying brrrrrrrrrrrrring sound. I think that this fan is for the ACC >cabin air sampling. Does anyone know: > >1 - how to remove the thing. I pried off the front cover plate (with the >slots that let the air in). Now what? Does the fan pull out (I can't see >how), or push into the dash for removal (and if so, how do you reach behind >to get the thing out!). The front cover comes off from the front (which you already figured out), but the sensor itself removes from the rear of the dash. I usually pull out the ACC unit (from the front) & reach inside the dash to pull it out. >2 - why does it vibrate? Is it a problem with the mounting (which I >suspect, because if I jiggle the fan/hold it with a finger I can get it to >stop buzzzzzzzzzing) or the fan? Can it be fixed? Dry bearings? Buildup of dust & fuzz? I usually give it a good cleaning with puffs from a compressed air can, and put a drop of silicone lubricant on the fan bearings. It requires periodic maintenance (I don't know of a permanent fix). Also carefully remove accumulated fuzz from the sensor (it looks like a small, glass-body diode). >3 - If I need a new fan - does anyone know of a cheaper source than my local >Saab dealer? > >Thanks in advance! > >Joe Good luck! Fred

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