C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

fan switch problem

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Old Feb 18, 2007 | 04:12 PM
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CrippleDave's Avatar
CrippleDave
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From: San Jose California
Default fan switch problem

i just recieved my 180 fan switch and 160 thermostat. i read the directions for the fan switch and it told me to pull the temp sensor from the rear two pistons on the passenger side. i did this, when i started the car up it and let it warm up the temp gauge went all the way up. i looked in the directions and it says that i have replaced the wrong sensor. I just installed this engine back in and i cant recall of any other sensors on the passenger side between those cylinders. can comone tell me which sensor i replace, that is which one is for the fan switch? is it the one on the driver side visable from the engine bay? btw its a 89 corvette with l98 rebuilt
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Old Feb 18, 2007 | 04:41 PM
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From: One day you're a Comet...the next day you're dust... Arkansas
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The aux fan switch/sensor is between plugs 1 and 3 on the drivers side on a 1989, if that's what you are looking for. The main fan is controlled by the ECM.
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Old Feb 18, 2007 | 04:48 PM
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thank you verry much, my instructions were false, thanks again.
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Old Feb 18, 2007 | 04:54 PM
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Originally Posted by CrippleDave
thank you verry much, my instructions were false, thanks again.
You are welcome. When you pull it you will lose about 3 quarts of coolant. So drain out about a gallon. Also put some anti-sieze on the new switch.
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