Date: Sun, 21 May 2000 22:04:22 -0400
From: Four Weis <mweinopsamcom>
Subject: Re: Overheating '86 900S - very strange....


On my '86 900 turning on the air conditioner brings the engine temperature down. It must be the extra cooling capacity designed in the system to handle the heat from the air conditioner. Do not waste your time trying the turn the heat on. This does not work on the Saab 900, just like trying to take the ignition key out in first gear. How much fun was it replacing the blower on your 240? My kids put some hard candy down the vents in my 240 and I can hear it rattling around in the ducts and blower housing. I suppose I need to take the whole vent system a part to get the candy out. While I have the blower housing open, I probably should replace the blower motor. This is the original motor and the car is 18 years old. This could end up to be some really expensive candy. I am also wondering now, how many others out there have the "pleasure" of driving and maintaining a Saab 900 and a Volvo 240. It seems there are quite a few. BobR wrote: > I've had cars overheat before and one thing you can always depend on to > cool them down like right now is a pleasant drive down the highway at > 85. > > But this time all it did was cause the temp to keep *rising* almost into > the red(!), and only by heading for the exit and getting into 25 mph > traffic was I able to bring the temp down. The exact opposite of every > overheating situation I've ever encountered, but Saabs are a bit > unusual, so this isn't all that surprising <g>. > > Really comes down if I park it and leave it idling with the A/C on full > blast. Maybe because both fans kick on and run constantly(?). > > Has not gone all the way into the red so far, so there's been no actual > boiling over, and the gauge seems to be working consistently, so I don't > suspect it. > > If it means anything, I know my heater control valve is bad because I'm > always getting some heat out of the side vents with the control turned > off. I was meaning to get to it, but got sidetracked replacing the > blower motor in my Volvo 240 (and that requires a recuperation period > before diving into any more fun projects). > > Anybody have any ideas?

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