It will reduce slipping but would it speed up overall destruction? It completely eliminates most seal leaks and lowers operating temperatures in hard working units. Contains no solvents The additives are specially designed to help reduce the effects of worn transmission components. July 5, 2016, 6:30pm #2. We have found that many 10 or 15-year-old cars usually may be on the low side of transmission fluid level, so you may be able to add Lucas without removing any fluid from your transmission. Lucas Transmission Fix works by drastically reducing the rate at which this deterioration occurs. When a transmsion has electrical issues, Lucas makes no difference. Lucas Transmission Fix is a non-solvent formula that stops slip, hesitation and rough shifting in worn transmissions and completely eliminates most seal leaks. This is a concentrated friction modifier. When you add the Lucas Transmission Additive to your transmission fluid, you will notice that it is quite thick and takes a while to come out of the bottle. I will show you how I removed 24 ounces to add 24 ounces of Lucas Stop Slip. Lucas Transmission Fix is a very thick liquid, it is because of its components, friction modifiers and additives are designed to convert into a fluid after heating. In our experience, Lucas Transmission Fix can stop seal leaks as long as they are small leaks. The friction modifiers in the Lucas Transmission fix seemed to have delayed the inevitable, as the slip is gone and transmission is functioning normally. Even though the seal is there to prevent the leak with time, the seal itself can harden and stop blocking leaks that it used to block when the seal was soft and new. Unless you have been experiencing rough transmission shifting, hesitation, slipping, we don't recommend that you add Lucas additive. In most cases, the transmission slips due to a clogged valve body, worn band, or bad torque converter. Frankly speaking, that is done rapidly. Transmission slipping. Not only that, but Lucas additive will cause the seal to swell some to compensate for any wear and stop the leak. The purpose of YOUCANIC is not to replace professional vehicle repair, troubleshooting, or diagnostic. We don't usually recommend additives, but if you have been told that your transmission needs to be replaced, it doesn't hurt to try Lucas Transmission Fix. It is not a secret that a transmission repair may cost an arm and a leg, that is why it is better to avoid the problem. Our team of expert mechanics aims to provide the most accurate and detailed guides. Lucas Transmission Fix is a non-solvent formula that stops slip, hesitation and rough shifting in worn transmissions and completely eliminates most seal leaks. Your transmission will eventually require transmission to be properly repaired or even overhauled. Keep in mind that no transmission additive will fix the automatic transmission problems if broken internal parts or bands have burned out. Lucas transmission fix is meant to be used when you are experiencing the transmission problems listed above. Use also in light duty manual transmissions to increase shifting ease and transmission life. Always seek the advice of an automotive professional if you have a question regarding the operation and safety of your vehicle. Lucas Transmission Fix is a non-solvent formula that stops slip, hesitation and rough shifting in worn transmissions and completely eliminates most seal leaks. Perform a transmission fluid and filter change. Time is the most dangerous enemy for your transmission, after some period of time seals may harden and be not resistant to pressure, as a result, ATF may leak out. So before buying make sure you know how much fluid you need.