i keep topping up my reserve tank, yet m y raditor in my 99 camry stays full

You probably have a small leak, in a pressurized system with a non pressurized coolant bottle such as your Camry has, when the engine heats up pressure builds in the cooling system and as the radiator cap maintains a certain pressure a certain amount of coolant is expelled to the overflow tank. If t…

Reservoir, overflow, expansion. Some tanks have 1 line in, they allow fluid in/out based on coolant temp. Other cars have tanks with in and outlet lines and they act as settling tanks and are a means to de-aireate the coolant. All tanks have a fill line. If yours is low, than you have a coolant leak …

Stop topping off the Res tank and see what happens…Sooner or later the issue will present itself. You either have a leak in the Res tank…which should be rather obvious or easy to ascertain and identify. Or your engine is burning coolant…or the rad is leaking… SO THREE possible things could be hap…

Check your oil right away. If it looks like a chocolate milkshake instead of normal oil, stop driving and check back here with us.

Yes…What the Mighty Lion said… I SECOND this suggestion and with very good reason. Blackbird

First question, define top off. If you are filling the overflow tank all the way to the top, then that is the problem. There is a max fill line on the overflow tank and that is the highest that you should fill too. If you go over this line, then when the system warms up, the coolant will expand a…

As your coolant heats up, it expands. When the pressure exceeds 16psi, it gets pushed into the reservoir, pushing any excess out the reservoir’s overflow tube. When the fluid then cools and contracts again, it draws fluid from the reservoir to compensate, leaving an air space in the reservoir. The l…

Why does my raditor resovoir tank drain, yet the raditor is full

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Why does my raditor resovoir tank drain, yet the raditor is full

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