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Date: 29 Jul 2002 23:09:11 GMT
From: Dave Wysocki <MAPSdwysockiONnopsampc.com>
Subject: Re: Desert Saabs: 9000 w/  a/c gremlin


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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