Monday, October 24, 2011

95 Honda Civic overheating. Help?

My 95 civic has gradually began to overheat. I've changed the water pump, thermostat - even left it off for a while, drained the fluid, no change has worked.

If it was a blown head gasket, how could I tell? The oil has no trace of liquid - just changed it yesterday.

Is there a way tell if the radiator is clogged?95 Honda Civic overheating. Help?i have a overheating problem with my 94 ex civic also , found what the culprit was.... my FAN wasn't coming on so make aure the fan kicks on , if not it will overheat , check all sensors and WIRING.....for the fan relay , switch and temp sensor . some wires tend to break or corrode from time to time on older cars not allowing them to do what they were intended to do . so make sure you check it thruout95 Honda Civic overheating. Help?This may or may not be your problem, but its one that is commonly overlooked. Make sure you have purged all of the air out of the system. Excessive air in your cooling system will tend to gather at the highest point in the system, which is normally where the thermostat is located. This causes the air to collect around the thermostat, which prevents it from heating up and opening properly, thus causing the engine to overheat. Some cars have a set screw located in the thermostat housing or at a high point of the cooling system. This is to essentially %26quot;bleed%26quot; out the air in the system. Start out when the engine is cool so there isn't a lot of pressure built up. Make sure your cap is on tight. You will need to run the engine and you eventually want your thermostat to open up so the coolant will begin to circulate and start to move the air bubbles within the system. A lot of times you can unscrew the set screw to the last couple threads and you'll see air begin to bubble out. You want to eventually see a solid stream of coolant come out. Repeat this a few times until you stop seeing air coming out. Some systems can be very stubborn. I have had to jack up the front of a car before to ensure the thermostat was higher than the coolant jackets where air can get trapped. Hopefully you won't have to resort to that.