Cooling fans - Maintenance and Repair Forum

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Cooling fans
Monday, April 30, 2007 7:38 PM
Can you guys tell me if this is the sensor that turns on the fans, its located on the passengers side front bumper. Here's a pic





Re: Cooling fans
Monday, April 30, 2007 8:18 PM
lol thats the pcm
Re: Cooling fans
Tuesday, May 01, 2007 9:05 AM
lol, god damn...i took that off for nothing anyways where is the sensor for the cooling fans, i think one of the post here mentioned that you have to follow the wire from the fan to the side of the car somewhere but i guess there's a sensor for the fan just like there is one for the temp gauge.
Re: Cooling fans
Tuesday, May 01, 2007 9:14 AM
Lonnie T. E wrote:Can you guys tell me if this is the sensor that turns on the fans, its located on the passengers side front bumper. Here's a pic




LOL. That's one hell of a huge sensor. I don't think there is a sensor persay. I believe that the coolant temperature sensor relays the coolant temp to the PCM, which in turns tells the fan when to turn on.



2010 Subaru Impreza WRX Limited
1999 Cavalier Z24 Supercharged
1999 Grand AM SE (Beater Car)
1997 GMC Sierra
2007 Honda CBR 600RR
2005 Honda TRX450R
Re: Cooling fans
Tuesday, May 01, 2007 1:46 PM
Cause I replaced the temp sensor by the thermostat and replaced the cooling fan itself then flushed the radiator but still the cooling fan wont turn on especially if im sitting there idling, my car would try to overheat. So either its this PCM or something...but i open to suggestion's
Re: Cooling fans
Tuesday, May 01, 2007 2:10 PM
Check the fuse box on the engine bay and the fan relay.Do the fan go on when you turn on the Air conditioned?
Re: Cooling fans
Tuesday, May 01, 2007 3:17 PM
Luis Baptista wrote:Check the fuse box on the engine bay and the fan relay.Do the fan go on when you turn on the Air conditioned?



No, only time i notice it running is if i hit a bump or something but i checked every wire for a loose connection
but couldnt find any.
Re: Cooling fans
Tuesday, May 01, 2007 3:47 PM
Sounds as a faulty electrical connection somewhere, I would start with the fan motor connector itself, I had to change mine once since the fan kicked on sometimes and sometimes it would not. See that its contacts are clean and tight, any doubts replace it. Then replace the fan relay, both cheap parts and can save your engine.
Re: Cooling fans
Tuesday, May 01, 2007 4:39 PM
Alright, thanks guys for help
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