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Old 10 Nov 2011, 07:47 am
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Join Date: Apr 2011
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Default I have a 93 honda civic hatchback. I usually fill my radiator and its reserve with coolant.?

However recently i notice that my radiotor has been getting so hot that the coolant is bubbling out if the radiator and into the reserve then forcing out of the reserve and wasting. Then when the radiator is empty the car begins to overheat. this means that now i have to full the radiator every morning and becuase i can't afford to keep buying coolant everyday, i have began to use water which seems to bubble out even faster. Can someone please give me some helpful advice on this. Is it a minor fix or serious problem? THANK YOU.
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Old 10 Nov 2011, 08:01 am
Sam Sam is offline
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Join Date: Aug 2007
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bad radiator , or blown gasket are possibiltys. If your lucky maybe just a bad radiator cap
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Old 10 Nov 2011, 08:16 am
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Replace the radiator cap with an OEM cap - the dealer may be the most convenient source. (Aftermarket radiator caps are mostly junk.) That will probably stop the nonsense; if not, time to verify the head gasket is okay. My money is on the radiator cap, though.
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Old 10 Nov 2011, 08:31 am
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Most likely if you had a blown head gasket you would notice bubbles in radiator as soon as you start it with engine cold. More than likely your problem is not that bad. you could have a bad thermostat that is stuck closed. Or a bad water pump. One time I seen a bad hose cause this also but you could see it suck itself shut, that's why the put a spring in them sometimes to hold them open. a radiator cap that's bad can cause overheating problems but what your describing sounds more drastic
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Old 10 Nov 2011, 08:46 am
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my best bet is that the radiator cap may be bad

i start changing that first which is really cheap like 7 bucks and

then to thermostat $15
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