The Mazda CX-5 Coolant Reservoir maintains the engine to keep the temperature at a normal level by recycling the expanding antifreeze and releasing it back to the engine when the motor cools down, preventing heat damage to the powertrain parts. The reservoir keeps the high-quality assurance of the compact SUV and allows the owners to concentrate on driving instead of monitoring the temperature gauge by avoiding air holes and leaks. The level indicators are integrated in the translucent shell, and therefore a teen driver can easily check the level of the coolant by just looking at the shell, hence routine checks can be completed within seconds. The KE first generation and the present-day KF versions slide in because the tank fits the locations of factory hoses, and the stock pressure cap fits on it, indicating that one component fits all CX-5 rolling gasoline or diesel since 2012. Inside, two different designs remain, the conventional overflow type and the more recent pressurized expansion design, but they all use the same tough polypropylene compound that Mazda chose because of its high heat and impact resistance. The overflow type confines pressure in the radiator and uses a plain vented cap on the Coolant Reservoir, whereas the expansion type locates the cap on the tank, making the vessel an extra-reinforced part of the cooling system which can withstand higher temperatures without additional measures on the part of the driver. Since in either setup coolant remains in circulation and does not allow any bubbles to get to the pump, efficiency is increased, the frequency of fan cycles is reduced, and emissions are minimized, which is ideal to fulfill the objectives of Skyactiv to which all Mazda utility models are committed. It is also safer, as ethylene glycol does not drip out of its package and land on driveways where children or pets can come into contact with it. Clean footprint, corrosion resistant plastics and factory grade hose fittings are some of the characteristics that make the Coolant Reservoir a prominent part in the parts market and make Mazda CX-5 owners have a reliable part that can hardly be replaced, but in case it is damaged due to an impact, they can replace it at a very affordable cost.
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