Honda civic thermostat overheating?

Honda civic sport 1,6 2005

Recently my dial starting going over 3/4 and I had it checked at a garage and he said everything was fine and couldn't find a problem. That was probably a year ago.

Today it done it again for the first time.

I'm not 100% sure were to put more water and engine coolant in.

Can someone help me out?

You need to check a few things, first do a compression test to see if your head gasket is failing. Next bypass your heater core to see if it is corroded, if so it restricting the coolant flow. You can try flushing the whole system but I would see it either of these is the real cause.

Maybe it is because of the pipes. When they need to be replaced, they tend to be poor at delivering the water to the engine. So, before you do any thing, just drive the car and stop after a while and check the pipes. If you squeeze them and they're soft, it means that they need to be replaced. If not, you should replace the thermostat because Civics NEVER heat unless its serious

You add fluid by way of the radiator. And if you don't even know what that is then you might want to go watch a YouTube video or something before pouring fluid into anything.

Have you looked out the window? We're in June and the sun is out.

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