It is connected to the crankcase via a hose and allows excess gases, moisture, and other byproducts of the internal combustion process to be drawn out of the crankcase and into the intake system.

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It is important to regularly check the coolant level in your vehicle and top it up if necessary.

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If a heater hose is compromised, it can lead to a loss of coolant, overheating of the engine, and decreased heating performance in the cabin.

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