Date: Sun, 9 Jul 2000 12:32:49 -0500 From: "Walt Kienzle" <wkienzlenopsam.com> Subject: Re: 9000 ACC Blower Stuck on HI
John, I won't give you any good reasons not to ditch it, but I would be happy to take it off of your hands! The fan incident you experienced is a classic failure of the ACC fan speed controller (including taking out the fuse to shut off the fan). FYI, this fan speed controller is made by ALPS, a Japanese company with a pretty good reputation for quality in the electronics industry. The component that fails in the speed controller is a transistor (I believe it is actually a TRIAC) that overheats, fails, then no longer shuts off power to the fan. In the future, it may be helpful to shut off the rear side window blowers, as I believe they run through this circuit also and put an extra load on the system. You can get a new controller from the dealer for about $150 and install it yourself in a hour or two (have some small Torx drivers available) or you can order the part from Radio Shack for about $10 and solder it into the controller yourself. It is located under the hood behind the false bulkhead where the air intake for the ACC system is (the passenger side) directly below the A/C reciever/drier. It is reported that one of the reasons this part fails is that the heater fan is starting to go -- therefore drawing too much current. I don't know the specifics about all the problems you have had with your Saab, but it could be a combination of the mechanic replacing a few extra things to make sure everything gets fixed (with your ACC system.), or possibly not getting the installation quite right. That is easy to do with the hydraulic clutch system. I find bleeding the system to be quite difficult. What did you mean by "complete ACC system" anyway? Was that the ACC controller, which usually doesn't go out, or did you mean the Air Condidtioning system? In wich case, I doubt that everything was actually replaced even though the price was probably quite high if a dealer or mechanic did all the work. Walt Kienzle 1991 9000T, 105K miles with most everything still working. "john e nazimek" <jnazimeknopsaments.uiuc.edu> wrote in message news:Pine.GSO.4.10.10007082303550.2083-100000nopsamcso.uiuc.edu... > Hello, > > When I started my 9000cs '93 (85K miles) yesterday I heard a stange click > from under the hood. As I went to turn off the annoying ACC (as I do > whenever the car sits for more than a few minutes), it wouldn't shut off. > THe blower motor is now permanently stuck on high, even when I push the > 'OFF' button! The only way now to turn off the fan blower moter in the ACC > is to take out the fuse (#6). Any suggestions as to the cause? > > I love the look of this car, I love to drive it, but it seems there is or > was a complete lack of quality control on the construction side of these > vehicles. In addition to this I will be needing to replace the heater core > and the cylinder head gasket leaks oil. In addition to that I've had the > complete ACC unit replaced in the past already and am on my third clutch > master cylinder...(don't ask)! Somebody give more good reasons not to > ditch it! > > -John >
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