Genuine Mazda Tribute Coolant Reservoir

The Mazda Tribute Coolant Reservoir protects the engine by keeping a surplus of antifreeze, preventing spills, and directing the coolant back into the radiator, and no harmful air is introduced into the engine. The cooling circuit causes the liquid to swell and push it through a hose into the plastic tank that is high in the engine bay, and in the process the fluid is returned when the engine cools down, the pressure drops, the fluid is forced back to the levels, and the environment remains free of the toxic ethylene glycol. The previous Mazda models applied a plain overflow type with a non-pressurized unit made of plain plastic, in combination with a pressure cap on the radiator itself, the cap opens when the pressure increases, coolant spills out, and a vacuum valve is built in to suck it back in again, which ensures that the radiator does not run dry. Certain Mazda model years were changed to a pressurized expansion design in which the metal pressure cap is relocated to the tank, thus the container has thicker reinforcement walls, is located at the system's high point, and utilizes air instead of coolant to eliminate excess pressure, providing less chance of aeration. The Tribute lineup shares these two layouts but the pressurized model has a higher weight and higher temperature capability. The Coolant Reservoir markings should be checked with the engine cold, and the fluid maintained between the molded lines, this will result in a responsive and long-lasting cooling system. Routine care of this Coolant Reservoir will ensure that any Mazda will not be leakage-prone or corroded.

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