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I change my cooling fan swicth.thermostat & relay my car 98 honda civic.but still my radiator fan not woking any advice tnx

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  • Cars & Trucks Master
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Is the relay getting power, and can you jumper it to make the fan come on ?

Posted on Jul 15, 2013

  • bernardcato Jul 15, 2013

    Relay is good condition.i check my fan directly to battery its working.but when i plug to the conection its not working.tnx

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Posted on Jan 02, 2017

  • 335 Answers

SOURCE: car overheat

The rad fan is required to keep your engine at a normal operating temp. When you are going at hiway speeds the fan is not needed. When you stop then the fan has to operate to keep the engine cool.If the fan is not operating, it could be the fuse or fan relay or temp sensor or computer This problem should be checked by someone who is a professional..

Posted on May 09, 2009

centralvalle
  • 386 Answers

SOURCE: 2002 civic ex overheating

with your description it sounds like your fans are not coming on, also sounds like the problem was never solved, sounds like you threw a lot of money at your problem also... check to see if the fans are coming on at the right times, seems like a n air movement over the radiator since you say it only gets hot in stop and go traffic... well when your driving at a constant highway speed guess what you have air movement through the radiator... check also a clogged ac condensor with bugs, pressure wash it out so the air can pass through it easily... please rate my help thanks

Posted on Aug 06, 2009

  • 115 Answers

SOURCE: 1995 monte carlo overheating

If the radiator fan isn't coming on I would check the coolant temperature sensor which tells the fan to turn on. Check your owners manuel for locations of fuses or relays that control the fan. Lastly you can unplug the fan and direct jumper it to make sure the motor isn't burnt out. I hope this helps.

Posted on Mar 15, 2010

  • 99 Answers

SOURCE: The radiator fan is not turning on.A mechanic i

U need to replace the temp sensor for the radiator which activates the fan relay.

Posted on May 20, 2010

  • 210 Answers

SOURCE: 1997 honda civic over temp. Have replaced

Generally if one hose is hot, and the other hose is cold it indicates that they water is not circulating. You could have a defective thermostat. Take the thermostat out and run the engine without it. With the radiator cap off you should see a lot of water moving through. It that is the case, replace the thermostat and you should be ok. If there is no rapid movement of water it may be the impeller on the water pump came loose. This is rare, but it can happen since the impeller is usually pressed on the shaft. You should also check and see if you get a lot of bubbles when the car is running and the cap off. This often indicates a blown head gasket. Hope this helps.

Posted on Aug 10, 2010

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1 Answer

Overheating when I sit idle.


Over heating the engine is a serious concern. With the hood raised you should hear the motorized fan turn on just behind the radiator as the engine requires additional cooling.. If you look in from the rear of the radiator you should see the fan blades.

This electric powered motor operates on a thermostat and when the engine temperature rises this fan should come on. I'm assuming from your description that when driving and air is flowing through the radiator as the car travels the engine is nor overheating.

Check fan motor thermostat, check fan motor and check wiring.

Wiring Diagrams related to the Honda Civic
http://www.wiringdiagrams21.com/category/automotive/honda-automotive/civic

Motor engine cooling fan only runs as engine temperature requires additional cooling.
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Jan 05, 2016 | 2001 Honda Civic

1 Answer

I have a 1994 honda civic I have over heating problems the radiator,temperature sensor have been replaced it runs fine for a week or two and the problem starts all over


Are you sure is your temp sensor have you check the thermostat or the cooling fan if they are working properly? Most of the honda civic has problem with the fan relay or maybe you water pump that is going bad

Nov 02, 2012 | Honda Cars & Trucks

1 Answer

I have changed the radiator and thermostat but my cooling fan fails to go on my cooling fan to 1997 honda civic fails to go on after Ichanged my radiator and thermostat


Have you checked the fuse for the cooling fan? If not the fuse you are looking for is in the fuse box located under the hood in the engine compartment. I gave you a picture below of the layout of the fuses and the fuse that you need to check will be in the number 15 position and should be a 20 amp fuse. I hope this helps and good luck.


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Jun 15, 2011 | 1997 Honda Civic

1 Answer

2002 Honda Civic is overheating. Anti-freeze goes in to the overflow tank but doesn't return into the radiator. The tank keeps filling up until it overflows. Already changed the thermostat, radiator cap,...


if its an overheating problem the cooling fans may not be coming on.this needs to be checked.it could also be a bad temperature sensor for the computer and its getting the wrong temp reading,thus not turning on the fans.there is also a cooling fan relay(not a problem that happens often).one other thing the impellers on the water pump may be worn out or not turning with the pump shaft.

Apr 10, 2011 | 1998 Honda Civic

1 Answer

My honda civic radiator blowup what can be the fault


Hi!!
A radiator can blow up due to several reasons, the main and most frequent are:
  • A faulty Thermostat.
  • Low or leaking Coolant,
  • A defective or unplugged Coolant Temp. Sensor,
  • Defective Water Pump,
  • Faulty Radiator Fan Relay or blown Fuse.
  • Faulty Radiator Fan Motor or wiring,
  • Clogged Cooling System passage or Radiator.
  • Worn out (too soft) Radiator Hoses.
  • Wrong size Radiator Cap.
  • Dirty A/C Condenser Coil (the coil in front of the radiator)
Good Luck!!! A HELPFUL - 4 THUMBS - rating for this solution would be greatly appreciated. Thank you for using FixYa.

Dec 02, 2010 | 1997 Honda Civic

1 Answer

The radiator fan is not turning on.A mechanic i


U need to replace the temp sensor for the radiator which activates the fan relay.

May 20, 2010 | 1998 Honda Civic

1 Answer

Car overheat


The rad fan is required to keep your engine at a normal operating temp. When you are going at hiway speeds the fan is not needed. When you stop then the fan has to operate to keep the engine cool.If the fan is not operating, it could be the fuse or fan relay or temp sensor or computer This problem should be checked by someone who is a professional..

May 09, 2009 | Honda Civic Cars & Trucks

1 Answer

Honda Civic LX 1995, replaced radiator, new radiator cap and removed thermostat, still getting boiling coolant to recovery tank above max mark level, then car starts overheating. when the car is cool the...


First check for the rad fan working. It could be the Fan relay, bad ground connection or coolant temp sensor (commands the fan relay). If not, check for little tiny bubbles in the coolant. Do this by running the vehicle with the rad cap off. Make sure there is no pressure in the cooling system first or you will get burned (squeeze rad hose, should be cool and easy to squeeze). Look into the top of the rad and watch for these tiny little bubbles. If they are present, you will need a head gasket.

Jul 22, 2008 | 1995 Honda Civic

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