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Date: 03 Nov 2001 21:39:16 GMT
From: johnra1975nopsamcom (johnra1975)
Subject: Re: radiator fans not running


>Hello everyone, > >I have a 1989 Saab 900S. I've noticed recently that engine temperature is >running higher than normal. I've also noticed that I don't hear the radiator >fans running (there are two of them mounted right against the inside of the >radiator). I tested each one by connecting them directly to the battery and >they run fine. I also checked to make sure the fuses for the radiator fan >and relay are ok (they are fine). > >Could the problem be a temperature sensor somewhere? I noticed what looks to >be a temperature sensing device of some sort screwed into the top of the >radiator (it's round, has two terminals coming out of the back and two wires >connected to these terminals). The marking on it is BEHR T. Could this be >the culprit? If so, is it easy to replace on my own? Where would I get one? > >Any other suggestions? > >Thanks, > >.... David Yes, the device on the radiator is responsible for turning the fan on and off, when the A/C compressor isn't running. If you close the connection across the wires that connect to it, your fan should turn on. If not, then something other than the sensor is to blame. Happy fixing, John Rausch P.S. If the sensor is to blame, turn on the A/C compressor until you have a replacement. johnranopsampot.phys.uwosh.edu 86 900S 87 900S 88 900 SPG 92 900 TC

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