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cooling fan wont come on
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Old 02 Mar 2008, 05:01 PM   #1 (permalink)
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cooling fan wont come on

my cooling fan wont come on when temp gauge goes to high on my 99 555 sti any ideas why.
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Old 02 Mar 2008, 10:50 PM   #2 (permalink)
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Thermo switch or fuse imo
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Old 03 Mar 2008, 06:27 PM   #3 (permalink)
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cheers checked fuses all ok were abouts is the thermo switch situated thanks and is there any way of testing it.
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Old 08 Mar 2008, 05:33 PM   #4 (permalink)
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reckon you could bypass it by plugging into fan wiring with two bits of wire with a fuse in between allowing fan to run constant while you using car when you pull up just disconect wiring from fan plug .this would let you use car in meantime you dont want the engine gettin too hot on a scoob the thermo switch is what it plugs into so if the fan runs this way you can guarantee the thermo is at fault not cutting fans in when temp is reached.If you have recently had hoses off the radiator you could have an air lock in pipe work if this is case remove top hose and fill from there insted of header tank as the system fills it should push air out the pipe work fill it right up repace hose run engine up to temp re check levels .
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