The transmission is one of the most essential parts of gas-powered vehicles. Because of this, no one wants to experience severe transmission problems. This also means that noticing harsh transitions while shifting gears is troubling for many drivers. Luckily, this isn’t always a symptom of transmission failure, as there are many reasons why the process isn’t as smooth as it should be. Some of the issues don’t require the help of auto mechanics.

Transmission fluid can cause problems while shifting gears

Transmission fluid is vital to keeping your vehicle running as it should. However, it can cause transmission problems while shifting gears in several ways. For starters, having less transmission fluid than your car needs is a leading cause of harsh gear shifts. Naturally, this happens because there isn’t enough fluid in the reservoir to properly lubricate and cool the transmission. 

Additionally, contaminated transmission fluid can cause problems while shifting gears. Over time, debris can mix with the transmission fluid. It can also become contaminated through oxidation, which can cause it to have a burned smell. How often you need auto mechanics to change the transmission fluid differs depending on whether you have an automatic or a manual transmission. Automatics need the fluid changed between 60,000 and 100,000 miles. However, manual gearboxes will need it every 30,000 to 60,000 miles. 

Faulty sensors

Faulty sensors are another reason you may experience harshness while shifting gears. Vehicles use sensors to monitor and send signals about various parts of the car. However, if a sensor is malfunctioning, it could signal the vehicle to change gears at inopportune times, which would cause transmission problems such as harsh gear shifts. In particular, the issue could likely be the speed sensor. 

The sensors in a car can go bad for several reasons. Extreme temperatures are a leading cause, but moisture and road salt can also damage them. According to Street Smart Transmission, a new speed sensor usually costs between $25 and $45. Many people replace sensors themselves, but going to auto mechanics is also a popular choice for drivers. 

Your shifter cable may be damaged

You could also experience harshness when shifting gears because of a damaged shifter cable. As the name suggests, this cable connects the shifter handle to the transmission. However, they can become stretched or rusted over time, which could cause harsh gear shifts in a vehicle. Additionally, the shifter cable could become loose, so it may not need replacement. 

There are many reasons for harsh gear shifts in a car. Of course, this could be a sign of severe transmission problems that could lead to failure. Still, the issue could be something relatively simple.