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no coolant pressure

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my car has been overheating lately and i believe its due to lack of coolant pressure, like itll lose coolant wheni pour it in (theres a small eak that i bleieve is causing the no pressure) and the tue the runs along with the radiator has no pressure, how to i go about fixng that

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Right after driving the car, pop the hood and look around the surge tank and the hoses. Also, check for wisps of steam along the sides of the radiator. If the leak is a hose or a crack in a radiator tank, will likely find it quickly that way.

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