My car tempature guage keeps sayings is overheating? What do you think is wrong?
I have a 2005 honda civic ex special edition coupe 4 cly engine and it keeps overheating. I just changed the thermostat, and it still overheats, i fixed all leaks and check for any leaks there was none, still overheats. I don't think my head gasket it blown no real signs of that, and my coolant is still green and still good levels look good. I did notice that afta my car warms up it takes a while for the heat to kick in. Also sometimes when the heat is working it will randomly start blowing cooler air then, it will go bac to warmer air. And i notice my tempature guage is raisin if i'm parked up or even if i'm driving and den i'll have to play with my tempature controlls in order to bring the temparture down. What do you think is the problem? I took it to the mechanic for this same ossue 3 different times. I don't want to pay him again for somthing that doesn't fix the problem? What do you guys think is the problem?!
You have an air bubble in the cooling system making you think it is full of coolant when it in fact is quite low.
When the motor and radiator are cold, open the radiator cap and start the motor. Let it run until it warms up and you can see the coolant flowing in the radiator. Fiil and make sure the over-flow reservoir has suffician level.
Seal it all up and let it cool. As the system cools, it creats a vacuum and sucks up more coolant from the reservoir. Check the reservoiur level twice daily until you are sure it is not dropping any more.
Try Pedal2TheMetal45 and Mr. Interesting's suggestions first. If you've done that and it didn't help, make sure it's not a bad sensor, wiring, or gauge.
Maybe the gauge is wrong, but the following may well mean that the coolant level is low:
"I did notice that afta my car warms up it takes a while for the heat to kick in. Also sometimes when the heat is working it will randomly start blowing cooler air then".
Also, you probably shouldn't assume that the head gasket is good, or the head isn't warped.
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