June 29, 2025

Tips for Maintaining Your Car’s Transmission

adding oil to vehicleWhen it comes to car maintenance, most people think about oil changes, tire rotations, and filter checks. But how much attention do you really give to your transmission? It's easy to forget, but neglecting it can lead to expensive repairs down the road.

What happens if you ignore your transmission system? Its condition directly affects how well your car performs. As your vehicle accumulates miles, the likelihood of transmission issues increases significantly. So, what should you be doing to keep it running smoothly?

Understanding Transmission Stress

Several factors can put pressure on your transmission. One of the biggest is heat—especially when driving uphill. If your car struggles or feels sluggish, consider manually downshifting to increase engine RPMs. This helps reduce strain on the system. If you notice gears slipping or not engaging properly, it’s time for a professional check-up.

Another source of stress is frequent braking, especially in city traffic. Try to anticipate stops and ease off the brake pedal when possible. Also, when parking on an incline, always use the parking brake. This helps take the weight off the transmission’s parking mechanism, reducing long-term wear and tear.

Transmission Fluid Maintenance

If you visit a reputable auto shop, the technician will likely ask about your transmission fluid. For automatic vehicles, it’s generally recommended to change the fluid every 15,000 miles. But before that point, you can check the level yourself. Look at the dipstick—if the fluid is dark, smelly, or smells burnt, it may be time for a change.

At your service appointment, you might be asked whether you want a simple fluid change or a full flush. Here’s the difference:

  • Drain and Fill: This is the standard fluid change. The old fluid is drained out, and fresh fluid is added. Over time, sediment can build up in the system, which can affect performance.
  • Flush: A transmission flush removes built-up debris and old fluid from the entire system. However, this process isn’t needed as frequently—usually every 50,000 to 100,000 miles, depending on the vehicle and driving conditions.

Manual Transmissions: Simpler and More Reliable

For drivers with manual transmissions, maintenance tends to be more straightforward. These systems have fewer parts compared to automatics, which means less complexity and potentially fewer issues over time. As a result, repairs are often simpler and less expensive.

It’s still important to follow the manufacturer’s guidelines for fluid changes. Most manuals recommend changing the fluid every 15,000 miles or as specified in your owner’s manual.

No matter what type of transmission you have, regular care is key to keeping your vehicle running smoothly. Whether you need routine maintenance or a full transmission flush, DaSilva’s Auto Body is here to help. Contact us today to schedule your next service and keep your car in top shape.

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