newspaper1 Posted March 3, 2015 Share Posted March 3, 2015 my car overheats mainly going up big hills. i keep topping up the coolant and it keeps draining, but i cant see any leaks ?where is the coolant going? Link to comment Share on other sites More sharing options...
bakedpotatoechips99 Posted March 3, 2015 Share Posted March 3, 2015 Looks like MAYBE head gasket trouble. Link to comment Share on other sites More sharing options...
bakedpotatoechips99 Posted March 3, 2015 Share Posted March 3, 2015 The coolant might be getting into the combustion chamber. However, you might see white smoke from the exhaust tailpipe if it was bad enough. It could be an intermittent problem. Also, a bad head gasket can also push high pressure combustion gasses into the coolant, and force coolant out of the overflow tank and ultimately onto the ground, and by the time you check it, it is cooled enough, that it is no longer bubbling over into the overflow tank. and any evidence of overflow is evaporated. Hence, low coolant, with no evident or obvious leaks. Link to comment Share on other sites More sharing options...
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