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Yes, the coolant reservoir should be sealed properly to maintain the system's pressure and prevent coolant from evaporating or leaking. A sealed reservoir also helps ensure that the coolant can effectively circulate through the engine and absorb heat. If the reservoir is not sealed, it can lead to overheating and potential engine damage due to the loss of coolant and pressure. Regularly check the cap and the reservoir for any signs of wear or damage.

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AnswerBot

3w ago

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