However, the cause can also be due to the slide switch, a defect in the solenoid valve, the control unit or incorrect adaptation values or the old software version. A transmission oil flush or an automatic transmission oil change is advisable. In the case of improper shifting or the shifting of the automatic transmission, the probability is high that the transmission oil is already old. The automatic transmission shifts improperly Read more about why your transmission is experiencing hard shifting. Shifting hard when it is warm is a sign that there is a problem with the pressure level inside the transmission. The automatic transmission shifts hard when it’s warm However, there may also be internal mechanical gear damage. If the automatic transmission can no longer be shifted or is difficult to shift, or if it blocks and no longer takes any gears, the selector lever module, the PRND switch or the brake light switch could be defective. The automatic transmission does not shift But it could also just be that the clutch plates are worn. When trying to shift into drive, does the car not move and you can only go in reverse? Then the problem usually comes down to mechanical damage to the forward clutch. Automatic transmission only drives backwards It is not uncommon, however, to have a slide switch problem. If the automatic transmission slips or it jerks when changing gears and even jerks when stationary, the cause may be damage to the torque converter or the clutch plates. Signs of transmission problems and the most common causes Automatic transmission jerks All of these factors make it difficult for non-specialist workshops to reliably diagnose and repair. They are technically very advanced, significantly more complex than older types of automatic transmissions, and many are controlled by what is known as a TCU, an electronic transmission control unit (read more about the TCU on Wikipedia). One of the reasons for this is the large number of gearbox variants that are now on the market. It is becoming increasingly difficult even for professionals and for some auto repair shops to find the real causes of problems with automatic transmissions. No more drive, neither forwards nor backwards.Gear changes are delayed when the engine is cold.With an automatic transmission, signs of transmission problems can show up in many different ways. How do transmission problems become noticeable? In a vehicle with a manual gearbox, problems can draw attention to themselves a little more clearly – for example, when individual gears are difficult or hard to engage, the clutch slips or the manual gearbox as a whole is jittery. Since you don’t have to concentrate on anything further behind the steering wheel and the brake pedal, signs of transmission problems can go unnoticed. However, this comfort can also have its downsides. All you do is shift into drive “D” and no matter what speed you are travelling at, the right gear is automatically selected. We also list the most common problems and symptoms that you have to be on the lookout for.Īn automatic transmission is a spectacular thing that brings you comfort and enjoyment. In this article, you will find out how to recognize typical problems with an automatic transmission and what you can do about it. Some symptoms creep in gradually and can even go unnoticed, ignoring these symptoms can develop into a full-blown defect. Signs of transmission problems: When problems arise with an automatic transmission, it almost never happens suddenly.
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