Re: Cabin Heater Always High - Saab 9000 Bulletin Board - Saabnet.com
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Re: Cabin Heater Always High
Posted by JonAero1 [Email] (more from JonAero1) on Tue, 7 Mar 2006 08:02:44
In Reply to: Cabin Heater Always High, Tim Hurley, Tue, 7 Mar 2006 07:39:41
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have you run the diagnostics? more then likely your interior temp sensor is bad or dirty. first, hold down the Auto button and the lower vent button (the button on the bottom left corner) at the same time hold for 3 seconds, and release, it Should go to diagnostic mode and show 0 on the screen, as it runs through the test it will reset and display possible codes. let us know, i can email what the codes are if you have some. also it may do you good to clean your sensor, it comes out thru the back of the dash. but the you need to pop of the coverof the sensor from the outside. you need to remove the climate control head from he dash to get the sensor out, remove the radio first and pop the climate control out, then you can reach the sensor through the hole, clean it with electric parts cleaner, and see if the little fan still runs before your put it back or before you unplug it.... the fan goes bad in them. if it's not the fan it would mostlikely be your flap control. and that is under the hood, remove the plastic cover by the windshield, in the center you will see the heater plenum and a flap, start the car and run the temp on high notice the position of the flap or valve (the arm may acctually be busted this is the common problem) now move your temp to cold and see if the flap moves. now you should have the needed info to determine what your fix will be. let me know.
posted by 205.188.11...
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