The Importance on Transmission Fluid for Edwardsville, IL Vehicles

Cars with automatic transmissions are pretty easy to drive, but they have to be kept running smoothly with periodic replacement s of transmission fluid. Surprisingly few people know just what this fluid does or why it has to be changed, given how common automatics have gotten in the last half-century, relative to manual transmissions. Understanding this necessary part of transmission service can help you keep your car up and running and in good shape.

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What Does the Transmission Do In a Car?

No matter which transmission shop you favor in Edwardsville, IL, you’ve probably heard the transmission specialist talking about gears and linkages and the like, and you’ve wondered what all that means. To understand transmissions, it helps to think about how your engine works.

Briefly, the gasoline you put in your tank burns in the engine’s cylinders, where little explosions drive a spinning shaft. That rotary motion is what turns the wheels, but it’s usually not pointed the right way to just plug into the axles. The transmission transmits the rotation from that shaft to the tires via a system of gears almost exactly like the gears on a 10-speed bike.

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Keeping Fluid Fresh

Transmission fluid comes into the picture when you realize that’s an awfully complicated piece of machinery, and that it has to be kept cool and well-oiled. Actual oil is not good for this, because of various very complicated reasons, and so special fluid is poured into the casing to keep things moving.

Keeping fresh, freely flowing fluid in your transmission reduces friction between the moving gears, which helps keep down heat and prevent seizing and fires. It also prevents the gears grinding too hard on each other and breaking their teeth. This obviously keeps down the cost of regular transmission repair. The fluid also acts as a coolant by convecting away the waste heat that you always have in places where metal rubs against metal. Finally, a full load of transmission fluid also serves as a medium that conveys force and pressure to the moving parts, so they can interact with each other in a way that keeps contact down and prevents damage.

Keeping the fluids fresh in your car’s transmission is as important to staying safe on the road as it is to keeping repair costs low. If your car has gone more than 30-60,000 miles without a fluid change, stop by Marshall’s Transmission Service and have your levels checked to be safe.

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