Automatic Transmission Shifting Problems

John Henry • December 15, 2020

Transmission Shifting Problems

Transmission Shop

Is your car having shifting problems? Find out what is causing your transmission problems and how to prevent them. Hard and jerky shifting when changing gears is one of the most common symptoms when you have a transmission problem. A variety of causes can be the blame for shifting problems.

1.Low or Dirty Transmission Fluid

Commonly, hard shifting can be due to an insufficient amount of transmission fluid, or old, dirty transmission fluid. When transmission fluid is dirty no longer has the correct effectiveness which can cause failure. Old transmission fluid and too low of transmission fluid can make the transmission begin to overheating due to the fluid oxidizing.

Transmission fluid is a very important component of the transmission. It lubricates throughout the transmission parts and keep the transmission cool and from overheating. A new transmission filter and a transmission flush may be necessary to fix problems with transmission fluid.

2.Sensor-Related Issues

Some other causes of transmission shifting problems may be sensor-related. Throughout your car, there are several electronic sensors. These sensors are designed to send out signals and receive signals from the internal computer system of your car. Some sensors are in charge of determining when your transmission changes gears, though sometimes sensors can get crossed and lead to shifting problems.

3.Clogged Vacuum Lines

Leaky, clogged, or loose transmission vacuum lines/hoses can impact the pressure in your transmission, which causes all sorts of issues, such as shifting problems.

4.Preventative Maintenance

It is essential to have preventative maintenance. Regular maintenance can help you avoid expensive transmission repairs. It is highly recommended to a certified professional transmission technician perform preventative maintenance at regular intervals.


Eagle Transmission Repair Shop of Mesquite Tx Serves the Entire Dallas / Fort Worth Metroplex including Garland Tx.


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