i have a 95 civic when i got it it had a blown head gasket and a bad water pump i got all that re done i replaced the gasket the thermostat and water pump and flushed the radiator. and know when i get on the highway for more than like 10 min. or drive for a long time it starts to overheat until i turn my heater on if anyone as an answer please let me know what it could be. thanx


Modified by civic_22 at 1:53 PM 6/10/2008

 

its called a fan switch go to shucks and pick one up, good luck

 

could that still be the prob if the fan still works???