Signs of a faulty gearbox

When the gearbox has problems, the vehicle's performance will be seriously affected. Below are common signs when the gearbox is having problems, helping you to identify early for timely handling.

1. Shifting gears is not smooth and jerky

One of the obvious signs of a problem with your transmission is when your car shifts poorly, jerks or stalls while shifting. Sometimes, your car may be slow to respond or shift unevenly. This usually happens when the transmission components aren’t working properly or there’s something wrong with the internals.

2. Strange noise when shifting gears

If you hear strange noises when shifting gears, such as screeching, squealing, or knocking, it could be a sign of a transmission problem. This noise could be caused by gears or parts in the transmission that are worn or not working properly. This is a sign that should not be ignored, as it could lead to more serious damage if not addressed promptly.

3. Transmission warning light is on

When a warning light on your car’s dashboard illuminates, especially one that relates to the transmission (usually a picture of a transmission or an exclamation mark), this is a clear indication that there is a problem with the transmission. Some modern cars will signal a fault via the check engine light or transmission warning light. At this point, you should take your car to a repair center for immediate inspection.

4. The car cannot shift into or out of gear.

When there is a problem with the transmission, the vehicle may have difficulty shifting into gear, or sometimes not be able to shift out of gear at all. This is especially common with vehicles with automatic transmissions. The vehicle may "stall" when trying to shift from neutral to drive or reverse, or vice versa, when the vehicle will not shift into gear or gets stuck in a certain gear. This makes it difficult to move and can seriously affect the vehicle's operation.

5. Uncomfortable feeling when accelerating

If you feel like your car doesn't respond immediately when accelerating or feels like it's lagging behind, it could be a sign of a transmission problem. The transmission can't transfer power from the engine to the wheels effectively, causing the car to accelerate slowly, or it could shift into a gear that's too high, causing a "jerky" feeling when driving.

6. High fuel consumption

A malfunctioning transmission can increase your vehicle's fuel consumption. When the parts in your transmission don't move smoothly, your engine has to work harder to maintain speed, which results in increased fuel consumption. If you notice an unusual increase in your vehicle's fuel consumption, it could be a sign of a transmission problem.

7. The gearbox is abnormally hot

If you notice that your transmission is overheating after driving for a short period of time, this could be a sign of a problem. The high temperature could be caused by a lack of transmission fluid, poor quality fluid, or a problem with the cooling system in the transmission. An overheating transmission will cause the vehicle to jerk or lose performance, and may even lead to damage if not addressed promptly.

The main causes of the above problems are:

Gear oil error: Transmission fluid can deteriorate, become dirty or lack oil, affecting the transmission of power from the engine to the wheels.
Gearbox sensor error: A sensor in the transmission may be damaged or malfunctioning, causing the transmission to not shift properly.
Hardware fault in gearbox: Components in the transmission such as gears, shafts, clutches can wear or damage over time.
Poor maintenance: Lack of regular maintenance will cause the transmission to malfunction, resulting in uneven shifting.

Solution:

If you notice any of the above signs, take your car to a reputable garage for inspection and maintenance. Regular transmission maintenance will help increase the life and performance of the transmission, avoiding unwanted problems.

Choose a high-quality transmission fluid to ensure smooth operation of your transmission. Gartz offers quality transmission fluid products that help protect internal transmission components, reduce wear and improve vehicle performance.

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