Date: Sun, 8 Sep 2002 00:24:55 +0000 (UTC)
From: "SimonJ" <>
Subject: Re: '93 9000CS - annoying in-dash ACC fan

> 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!). > It pushes back into the dash, remove radio for access, pull it back, then unplug and remove it. > 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? > I think it is a common fault, mine did it, suprising how annoying the tiny noise is! Blow all the crap out with an air line (this needs doing every 6 months or so) Then try packing it round with some foam, to stop the vibration (do not block the airway) You may not need to remove it to do this, but you will still need to pull the radio to gain access, to pack it round. > 3 - If I need a new fan - does anyone know of a cheaper source than my local > Saab dealer? > You could try second hand, but are unlikely to find a quiet one.

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