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Hello all. I recently purchased a 1998 Civic LX as a daily. I've had it for about 3 months. I noticed if the car idles for too long it begins to overheat. Other than that it drives great and no issues. The temp gauge returns to normal after I drive it for a minute or two. I noticed the radiator fluid is running low.. could this be the culprit? I appreciate any advice.
 

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BATSLOMAN GIVES NO FUCKS.
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no airflow across the radiator at idle.....no way to cool the coolant.......


any white smoke when driving? any milky oil? running 50/50 mix?
 

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Prelude, Integra DB9
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You probably have a leak, either into the engine or outside, and either as water or as steam.
I agree with Slo, and would add that you should look for bubbles or exhaust smells in your header tank.
 

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Does the fan turn on at all?

Is your coolant topped off and clean?


If coolant is topped off and clean, let it idle until it starts to warm on the gauge again.

Then pop the hood and see if fan comes on.

Might be worth unplugging the fan connector and making sure connectors are clean.


Old radiator hoses allow coolant to bleed off and evaporate over time. Weak clamps with age tend to allow coolant to push past any connections, look for white or blueish evidence of this. the upper rad hose to cylinder head thing is an easy one to look at
 
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