How to Disable Torque Converter Lock Up: A Complete Guide

To disable torque converter lock up, locate the fuse or relay and remove it. Torque converter lock up is an automatic function that provides increased fuel efficiency and smoother driving.

However, some drivers prefer to disable it for various reasons such as better control while towing, or more power while driving up steep grades. Whatever the reason, disabling torque converter lock up is a simple process that can be completed by locating the fuse or relay responsible for the function.

Before proceeding with disabling this feature, ensure you fully understand the implications of this action. For example, disabling torque converter lock up can cause the engine to overheat or lower your vehicle’s fuel economy.

How to Disable Torque Converter Lock Up: A Complete Guide


Understanding Torque Converter Lock-Up

Understanding torque converter lock-up is vital for any automobile owner. Torque converter lock-up is a feature where the converter’s impeller and turbine shafts are joined, which increases efficiency and reduces heat. When the driver reaches a certain speed, the converter locks the two shafts together, creating direct drive for the car.

Symptoms of engagement include a sudden increase in fuel efficiency and higher engine speed than transmission speed. Some drivers prefer to disable torque converter lock-up for better fuel economy or smoother ride experiences. However, it’s essential to understand that disabling it means higher rpm’s and more wear and tear on the engine.

Knowing what torque converter lock-up is and how it functions can assist drivers in making informed decisions about their vehicle’s maintenance and performance.

Reasons For Disabling Torque Converter Lock-Up

Disabling torque converter lock-up can lead to several benefits. Firstly, it can result in improved fuel efficiency. With the lock-up feature disabled, the torque converter will not constantly engage, allowing the engine to operate more efficiently. Secondly, disabling the torque converter lock-up can reduce engine load and heat, thus improving engine longevity.

Thirdly, it can enhance towing ability by improving torque multiplication. Lastly, it can provide a smoother driving experience since there will be less shifting between gears. All in all, disabling torque converter lock-up can be a great option for those seeking better fuel efficiency, engine performance, and overall driving experience.


How To Disable Torque Converter Lock-Up

If you want to disable the torque converter lock-up, the process is simple. First, locate the torque converter clutch solenoid. Then, remove the connector and wiring attached to it. Afterward, connect two wires between the m terminal and the torque converter clutch solenoid’s connector.

Lastly, ground the t terminal. Keep in mind that disabling torque converter lock-up will affect your fuel economy and speed. Additionally, some maintenance tips after disabling the torque converter lock-up include checking transmission fluid frequently, avoiding towing heavy loads, and driving at appropriate speeds.

Lastly, the tools required for disabling torque converter lock-up are a set of pliers, wire strippers, and a digital volt-ohm meter. By following these steps and tips, you can successfully disable torque converter lock-up.

Pros And Cons Of Disabling Torque Converter Lock-Up

Disabling the torque converter lock-up in automatic vehicles can provide several benefits. One of the main advantages is an increase in fuel efficiency, as the lock-up can cause the engine to work harder than necessary. Another benefit is a more responsive feel when driving, as the vehicle can accelerate and decelerate more smoothly.

However, disabling the lock-up can also lead to more wear and tear on the transmission, potentially shortening its lifespan. It can also result in increased heat and noise levels while driving. As with any modification to a vehicle, it’s important to weigh the pros and cons before making any changes.

Frequently Asked Questions On How To Disable Torque Converter Lock Up

What Is Torque Converter Lock Up?

The torque converter lockup is a mechanism that connects the engine power to the transmission, reduces the slippage, and increases the fuel efficiency. ### why would you want to disable torque converter lock up? You may want to disable the torque converter lockup to get a better acceleration, lower engine load, and extend the life of the transmission and the clutch.

### how do i know if my torque converter lock up needs to be disabled? If your car frequently jerks or stutters at a specific speed, or if you feel a vibration when the vehicle is moving at high speeds, then it may be time to consider disabling the torque converter lockup.

### how can i disable torque converter lock up? The easiest way to disable the torque converter lockup is to install a lockup switch that allows the driver to control the lockup function. Alternatively, you can install a computer chip that will disable the lockup function.

### is it legal to disable the torque converter lockup? It is not illegal to disable the torque converter lockup, but it is important to note that doing so will affect the fuel efficiency of your vehicle. Additionally, disabling it may increase wear and tear on your transmission over time.


Overall, disabling the torque converter lockup is not a difficult task, especially if you have some experience with car maintenance. It’s important to do it right, though, and make sure it’s necessary before proceeding. In many cases, the torque converter lockup is an important safety feature that should not be bypassed.

If you are sure that it’s okay to disable it and you need to do so, follow the steps we’ve outlined for your specific car model. Remember, always take the necessary precautions when working on your car to ensure your safety and the safety of others.

Following this guide and consulting with a professional mechanic if necessary, you’ll be able to disable the torque converter lockup and get back on the road with relative ease.