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Old 19 Oct 2009, 08:31 pm
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Default '95 Honda Civic DX Radiator Cooling Fan Won't Start?

Just like the title says, my radiator fan wont start. I can jump start it and it will work great, but it wont automatically turn on, even if my car is overheating.































It's a pretty new radiator, new hoses, new thermostat, and I just replaced the Relay hoping that would fix the problem.































Another thing I noticed, while the car is over heating, the top hose will be hot, but the bottom hose stays cool.































My car has over heated many times and more than likely the head gasket is ruined, but I'm not sure how else to check (my oil looks clean.)































Any thoughts or ideas on what to check now? And you should know... I really don't know anything about cars!!!















Like I tell idiots... stop talking...































If i had the money I would take it in genius... but I have no job and about $80 to live on... and it's sort of hard to hold a job without a car.
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Old 19 Oct 2009, 09:31 pm
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Like i tell all the other repair questions take it to the repiar shop
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Old 19 Oct 2009, 10:31 pm
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Your radiator could be clog causing the your car to overheats. If you said that the fan motor works when you jump start it, and you have a new thermostat, look for loose connection in the electrical wiring of your fan motor. Hope this helps!
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Old 19 Oct 2009, 10:46 pm
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Hey check the water coolant temp sensor, it may not be sending the right signal to the ecu to turn the fan on at 200-205F. The thermostat kicks in about 180-185F. If the fan does not kick in at the right temperature something is wrong with the sensor.































If the top hose is hot but the bottom hose is cool, water is not flowing properly through the radiator this means that the coolant sensor does not see the car as hot which causes the fan not to kick in.































Also there is a fuse for your cooling fan, make sure it's not blown, it should be on your right hand side in the black box next to the battery .I hope this helps.
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