Removing thermostat from honda civic?
I have a '98 Honda Civic LX and was just told by a mechanic after having countless overheating issues that I have a blown head gasket. After talking with some friends with automotive experience, I'm thinking of removing the thermostat just to keep the car on the road a little longer. I just had the radiator replaced and know that that's no longer the issue. My question is whether or not this might be beneficial as I do not have the money estimated to me to get the gasket replaced.
Don't pay attention to Frank---he has it totally backward.
If it is a blown head gasket then ignition gas is getting into the coolant. Check your coolant for "crud" and color change. Hot gas will cause it to turn brown and the coolant will coagulate--turn lumpy. If you find your coolant as I have described then by all means remove the thermostat and run the car until it quits. Make sure the coolant is full. Removing the thermostat will allow more coolant to circulate so overheating problem will be helped but not prevented. Drive slow.
Let us know what your coolant looks like.
The engine will run just fine without the 'stat. The main reason for the 'stat is to get the water in the engine block hotter quicker, so the heater in the car will warm-up faster.
The thermostat prevents overheating, it slows the water down so that the water in the radiator has a chance to cool off, if the water just circulates it may overheat in city traffic simply due to that. The reasoning for removing the thermostat is to release combustion gasses from the water jacket due to the head gasket failure. In my opinion it would be better to drill a hole in the thermostat instead of removing it completely, that will lower the risk of overheating while allowing the gasses to escape.
Over heating a engine many times can cause the head gasket to go but I'd need more information to make any kind of judgment on the head gasket. I can say that a blown head gasket is not the cause of the over heating it is the result. Taking out the thermostat will also not stop it from over heating unless it is the cause of it over heating and that is seldom the cause. You read in here all the time of people that had over heating and the first thing they do is change the thermostat and it didn't help. So lets talk about if the fan is working? Turn on the A/C, the fan should come on right away. If not you have found the problem
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