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Date: Mon, 05 Aug 2002 07:13:06 GMT
From: "Corys" <corlitnopsam.com>
Subject: Re: Desert Saabs: 9000 w/  a/c gremlin


Thanx for all the responses. Some suggestions were already checked out, but not all. For example, I haven't yet checked the recirculation flap motor, which sounds like a prime suspect. I'll also install new lower temp thermostat (since I don't know what's in the car, or even if its the 3 position factory thermostat), and the MB antifreeze. But here's an interesting development. Since my original post I finally got around to adding Barsleaks, suggested by Quasimotor's excellent website. Temps immediately went down enough that I am not risking the red zone. Still too warm, but not grenade mode. Made me a believer, though I really don't want to think too much about what that may indicate about my headgasket. (yes, this is a turbo, in fact an 18 lb. torquemonster if I don't hold it down) Thanx again to all who responded. Ken C. "Dave Wysocki" <MAPSdwysockiONnopsampc.com> wrote in message news:3d45cb16$0$1432$272ea4a1nopsam.execpc.com... > I also replaced a compressor due to a thermally intermittent magnetic > clutch on my '93 9000 CSE, but the real cure to the inadequate A/C was a > bad recirculation flap motor, which was stuck in the fresh air position. > I was able to fix the corroded motor myself (Saab wanted $280), and it > made a huge difference, especially in very hot weather. If you have > automatic climate control (ACC) on your car it might be worth checking, > as this motor assembly is located such that it is prone to water > infiltration and corrosion. Running the ACC automatic diagnostics will > NOT detect this fault. If you remove the cover over the false firewall > and remove the fresh air filter under the evaporator cover, you can > visually check the operation of the recirculation flap. Removing the > motor is a bit of work, but not bad. While you're in there, check the > drain tube from the evaporator; mine was flattened & blocked, allowing > water to build up on the evaporator. > > The high coolant temp is likely a separate problem - a bad temp sender, > thermostat, thermal fan switch, blocked radiator, or even the engine > running too lean. I just put in the lower temp fan switch (mentioned by > others in this thread), and the temp gauge never gets above the halfway > point, even with the car idling in 98 degree weather. > > Dave Wysocki > > Message by Ken C. <kencorynopsam.com> on: 7/27/2002 3:00:08 AM > >I recently bought a '92 9000 turbo. Independent garage I bought it from has > >replaced the compressor twice (used--at his expense). Car still still seems > >to run hot to me (at least halfway between 9 o'clock and red zone), and a/c > >just can't pull the temps down enough in the heat of the day. Is that > >something to resign myself to here in the desert, or is this fixable? I run > >into this even though I'm trying to stay out of the turbo as I row through > >the gears, to keep the heat down. > > > >Sweating it in Vegas > > > > > >

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