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1

This era of Honda Civics are commonly reported to blow their head gaskets. If your radiator is getting empty, it's likely all going into the cylinders. Check your oil immediately, and see if it's milky/muddy. If so, get the car booked in for repairs, driving it with a blown head gasket can lead to catastrophic failure of the engine.


2

I am glad you got a good outcome, but would like to answer because I have a fair amount of experience with difficult cooling system issues, and the most recent one occurred while I was over 1,000 miles from home. Had I been close to my home it would have not been very inconveniencing. On top of that, it was the hottest time of the year and I had traveled 1,...


1

This could be a problem with coolant getting past the head gasket into the combustion cylinder. Try taking out all of the spark plugs and unplugging the fuel pump relay. Then crank the engine over and see if any liquid is coming out of the plugholes; you can hold up a sheet of cardboard to the holes to see if anything is coming out. If there is coolant ...


5

The fact that the fan comes on when the switch is jumped is very useful since this tests the power source, relays and fan motor. The fans can be activated by either the switch in the water passage near the thermostat housing or the coolant temperature sensor via the PCM (powertrain control module) located in the cylinder head below the distributor. So ...


3

Best recommendation: Purchase a $30 Haynes or Chilton repair manual from your local autoparts store. Best money spent ever. Then follow the troubleshooting guide in your book for "poor cooling". If indeed shorting out that Engine Coolant Temperature (ECT) switch starts the fan and it never works otherwise, then the switch probably needs replacing. ...



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