2004 Honda Civic

Tiny
HONDA0410
  • MEMBER
  • 2004 HONDA CIVIC
Engine Cooling problem
2004 Honda Civic 4 cyl Two Wheel Drive Automatic

changed water pump flush radiator changed cooling fan motor and replace relay still running hot starts out fine when I first start to drive the car, dont think its the switch because the fan comes on im lost any suggesions wanna say its the fan but just dont kno
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Thursday, July 29th, 2010 AT 5:43 PM

7 Replies

Tiny
TSS31
  • MEMBER
I have a 95 civic had the same problem.I changed the thermostat, did an oil change, and put a jump wire in the rediator fan switch it stopped mine, and now I have a leak in the water outlet but its the gasket, but it hasnt overheated since!
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Thursday, July 29th, 2010 AT 6:43 PM
Tiny
HONDA0410
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Jump wire whts that
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Thursday, July 29th, 2010 AT 10:17 PM
Tiny
HONDA0410
  • MEMBER
Should I buy the switch?
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Thursday, July 29th, 2010 AT 10:19 PM
Tiny
TSS31
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You said thaw fan comes on so it's more than likely not the switch. Did u check the thermostat? In my civic I fallowed the bottom radiator hose to the back of the engine, where my thermostat housing is, there is a connector on the thermostat housing I took the connector off and took a wire and put it directly into the connector not the housing itself, the wire causes the fan to come on as soon as the ignition is turned fforward, without the car running it stays on until I turn the car off. Also once u find the thermostat housing and u remove the radiator hose you will see the thermostat. Did u change that? It's only about ten dollars at most places. But basically a jump wire is a wire that acts as a lead to flow the power by bypassing the switch. If u use the jump wire for now it may keep it cool enough to run til u can figure it out, but try not to run it too hot too often cause u could blow the heads then your looking at a 1500 to 2000 fix :-(. If u google how to use a jump wire in place of your radiator fan switch or to test your fan switch, you should find some answers maybe even pictures to help.
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Saturday, July 31st, 2010 AT 5:36 AM
Tiny
HONDA0410
  • MEMBER
Well quick question when changing a water pump do u need to change the thermostat. Because I changed the thermostat before I change the water pump. :Note I put a new fan motor switch on car temp stayed leveled all day yesterday until last night when I parked n left car running
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Saturday, July 31st, 2010 AT 8:18 AM
Tiny
TSS31
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I'm not absolutely sure on that one but if it was still overheating after u changed it it's possible it could of gone bad in the process. I didn't replace the switch, I still have the wire so basically my fan is running the whole time my car is, so I'm assuming that's helping. Is the gauge going to the red zone or do you just smell it when the car overhears? And is the coolant level lower everytime it over heats or does it stay the dame after over heating? Did u look to make sure your hoses are good? And your water outlet gasket? And did u check your oil? Low oil can also make it overheat?
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Saturday, July 31st, 2010 AT 11:11 PM
Tiny
KHLOW2008
  • EXPERT
Was bleeding done to the system?

With cold engine, remove the radiator cap and check the coolant level. If it is low, top up and start engine without the cap. Let it run for a few minutes and if the level drops, top iy up till it does not take in any more coolant.

Does the cooling fans comes on when the A/C is turned ON?
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Sunday, August 1st, 2010 AT 3:31 AM

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