Liberty Auto Repair

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When Should I Change My Transmission Fluid?

For those who drive manual, the transmission fluid should be changed every 30,000 to 60,000 miles. For those who drive automatic, however, this range increases to 60,000 to 100,000 miles. There's no harm in changing the fluid early, but there may be harm in waiting too long.

What Is Transmission Fluid and Why Do We Have To Change It?

Transmission fluid, in short, acts as a lubricant. It prevents various moving parts from grinding against each other and reduces friction, which reduces temperature, and thereby keeps the transmission cool. Over time, this important fluid naturally breaks down and becomes increasingly sullied by dirt and debris. The further it breaks down, the less effectively it will be able to serve as a lubricant; the less effectively it's able to serve as a lubricant, the more it will struggle to keep the transmission's temperature down.

When not duly replaced, sub-optimally functioning transmission fluid will lead to wear and tear on the transmission itself. Remember: it costs less to replace the fluid than to replace the transmission itself!

Manual and Automatic: What's the Difference?

Manual drive and automatic drive cars actually utilize different transmission fluids, this is why the replacement time varies between the two. Manual cars require heavier fluid due to the inherently strenuous nature, functionally speaking, of shifting gears. Automatic cars, which operate without this additional stain, use a less heavy fluid to accomplish the tasks of lubrication and temperature regulation.

What's Transmission Fluid Made Of?

Traditionally, transmission fluid was made with crude oil. Today, thanks to modern advancements, there are synthetic options specifically formulated to resist deterioration and oxidation. The answer of which is the better option isn't entirely straightforward, however, as the answer depends on the driver and the car in question. A professional is best able to determine the type of fluid most beneficial for your specific vehicle.

If you're in need of transmission service in Liberty, TX, whether a routine (and important!) fluid change or advice on which type of fluid is best for your specific vehicle, be sure to stop Hometown Tire & Auto today.

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