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What you need to know about your vehicle’s fluids

When we think about the various liquids in our car, we tend to focus mainly on oil levels. When to get an oil change and the importance of that oil change are usually known by most owners. That said, we must not forget that there are other important liquids in our car that also need to be monitored.

Oil change

“Almost every single major mechanical component in your engine relies on some sort of liquid to function or to be protected. Some of these fluids do not need to be changed often, but they must be checked periodically to avoid any mechanical issues”, says a service technician at Destination Mazda Vancouver.

Here are some of the most important liquids in your vehicle.

Engine oil

Also known as motor oil, engine oil lubricates the inner mechanical components of an internal combustion engine, and protects all the moving and important parts from corrosion.


Coolant is tasked with keeping the engine at the correct and optimal operating temperature. It prevents the engine from overheating, but also protects from freezing. It also serves to protect an engine’s aluminium components.

Brake fluid

Unlike most liquids that serve to protect and lubricate, brake fluid is a hydraulic fluid which serves to apply force to the brakes, thus making your vehicle stop.

Transmission fluid

Depending on your vehicle and it’s transmission, transmission fluid will serve a variety of purposes from performance to protection.

Differential fluid

Differential fluid does not need to be changed very often, but it also happens to be one of the most overlooked fluids on non-FWD cars. The differential is the mechanical component that transfers power from one axle to another, and is therefore crucial to all-wheel drive and 4×4 vehicles. Differential fluid allows the part to do its job while also protecting all the moving parts.

If you want to make sure your vehicle stays on the road for a long time, make sure your various fluids are topped off.

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