What Are the Signs of a Failing Transmission?

What Are the Signs of a Failing Transmission? | B&C Auto Center

If your car hesitates when shifting gears or makes strange noises, you might be dealing with a failing transmission. The transmission is an essential part of your vehicle that helps power your car and ensures a smooth ride. A faulty transmission can lead to significant problems, making it necessary to recognize the warning signs before things get worse. Whether you're cruising around San Jose, CA, or just taking a short trip, knowing when your transmission needs attention could save you time and money.

Unusual Sounds Coming from the Transmission

One of the most noticeable signs of a transmission problem is an unusual noise coming from the area around your vehicle’s gears. If you hear grinding, whining, or clunking sounds when you shift, it’s time to pay attention. These sounds often mean that the transmission’s internal parts are not engaging properly, which can lead to further damage if ignored. Don’t brush it off, especially if the noise gets louder when changing gears.

Difficulty Shifting Gears

When you start noticing it takes longer for your car to shift gears or you experience resistance when you try to shift, that’s a clear indicator that your transmission is struggling. If your car lurches or hesitates when you change gears, you might be dealing with low transmission fluid or other internal issues. This is particularly common in older vehicles, but even newer models can experience this if the transmission system isn’t functioning well. If the car doesn’t shift as it should, it’s a good idea to have it inspected by a professional.

Slipping Gears

Another red flag is when your car unexpectedly slips out of gear. If your car unexpectedly jumps from drive to neutral, or you notice a delay when trying to accelerate, this is a sign that the transmission might not be maintaining its gear properly. You could also experience the engine revving up while the car doesn’t seem to go any faster. Transmission slippage is a serious problem and should be addressed immediately to avoid getting stuck in an unsafe situation.

Warning Lights on the Dashboard

Most modern cars are equipped with diagnostic systems that monitor various components of your vehicle. If the transmission is failing, your car’s onboard computer might trigger a warning light on the dashboard, often called the check engine light. While this light can indicate a variety of issues, transmission problems are one of the more common reasons it illuminates. If you see the check engine light come on, it’s important not to ignore it—especially if other symptoms like shifting problems or unusual noises are also present.

Fluid Leaks

Transmission fluid is essential for lubricating the parts of the transmission and ensuring it works properly. If you spot red or brown fluid under your car, it could be a sign of a transmission fluid leak. Leaking transmission fluid can quickly lead to severe damage if not addressed, as the lack of fluid can cause friction within the transmission system, resulting in overheating or other major issues. If you notice any unusual fluid spots, it’s best to get your car checked out as soon as possible.

Unresponsive Acceleration

If your car is sluggish to accelerate or the engine seems to rev without corresponding movement, you might be dealing with transmission issues. When you press the gas pedal, the engine should smoothly provide power to the wheels. If this doesn’t happen, or if there is a noticeable delay in acceleration, the transmission may not be transmitting power effectively. This could be caused by worn-out gears or other transmission components that need replacement.

Overheating Transmission

Overheating is a common transmission problem in vehicles. If your car’s transmission fluid becomes contaminated or if it runs low, it can cause the system to overheat. This can damage seals and other components in the transmission, leading to expensive repairs. If your car’s temperature gauge shows high readings or you notice the vehicle is running hotter than usual, be sure to have the transmission checked to avoid any long-term damage.


Don’t wait for your car’s transmission to fail completely. Bring your vehicle to B&C Auto Center in San Jose, CA, for a thorough inspection and reliable repairs. We’re here to keep your car in top shape!