Replaced coolant temp sensor - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Replaced coolant temp sensor
Posted by ACBC [Email] (more from ACBC) on Mon, 21 May 2012 04:30:15
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So I replaced the faulty coolant temp sensor on my '97 900S 118k non-turbo, and now the SID temp gauge and radiator fan works again. However, I noticed the fan only comes on high speed and only for short 30 second bursts with 30 second rest periods (in 90-95 degree heat) with AC on. While the SID temp gauge only goes to 9 o'clock, the engine seems quite hot--isn't the low fan speed supposed to run continuously if this is the case and not 30 second bursts of high fan speed? Also, I noticed when the fan comes on it really sucks up a lot of power, e.g., headlight beams are dimmer and AC fan speed is lower. I read something about replacing the thermostat too--where is this located and what are symptoms of faulty thermostat so I can assess whether to replace? TIA!
posted by 111.68.5...
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