Radiator and Transmission Maintenance

Transmission Slipping: What Causes It and How to Fix It


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To understand the causes of transmission slipping and how it can be fixed, you must first understand what the role of the transmission in a vehicle's engine is and what the effects are if any damages or problems occur to it. An auto transmission is the gear that transmits power from the vehicle's engine through the driveshaft to the live axle. There are generally two types of car transmissions: automatic and manual.

A manual transmission is the type that uses a clutch that is operated by the driver. This is often operated by a lever or pedal to regulate torque transfer from the internal combustion engine to the transmission. The manual transmission also uses a gear shift that is manually operated.

An automatic transmission automatically changes the gear ratios as the vehicle moves. As the name suggests, this type of transmission automatically shifts the gear without the driver shifting any levers or pedals.

A vehicle's transmission can often "slip." A transmission slip is a common problem that occurs. If left unattended, it can cause a lot of problems to a car.

Signs of a Transmission Slip

Determining transmission slipping can sometimes be difficult. However, there are signs you can look for that will indicate if you have problems with your transmission.

One common sign of a transmission slip is when the revolutions per minute (RPM) gauge is above 3,500. Another sign of a transmission slip is when the vehicle is taking too much time to coast. When the vehicle takes too much time to coast without applying the brakes then you have a problem with your transmission. Another sign is when there is a delay in acceleration. This indicates that the transmission is not properly transmitting the power to the internal combustion engine.

Causes of Transmission Slip

There are common causes of a transmission slip that range from poor cleanup to defective parts. One of the most common and simplest causes of a transmission slip is when there is low automatic transmission fluid.

Another cause is when the transmission band is worn out or broken. With this type of problem, you will not only have to deal with the transmission slipping but a multitude of engine troubles, including worn out transmission gears.

Both automatic and manual transmissions uses clutches, and sometimes the clutch can become too thin, causing the transmission to slip.

Fixing Common Transmission Slip Problems

Fixing common transmission slip problems is easy once you have determined the cause. If you notice that there is low automatic transmission fluid then all you need to do is fill it with enough fluid to allow the transmission to work properly.

If there are any worn out parts like the transmission gear or a defective shift gear, it is important that this is replaced as soon as possible. In some cases you may just need to readjust the shift gear instead of replacing it entirely. In the event that the transmission bands are worn out, just replace the worn out bands to fix the problem.

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