6.7 Cummins Turbo Actuator Delete – Be Sure To Know These!

Have you been thinking about doing a 6.7 Cummins turbo actuator delete?

Before you do so, you need to keep in mind a few important things. A delete can do several things to your vehicle. But in the case of a turbo actuator delete, there are more things to consider.

So, before you go ahead and perform this task, be sure to read this article to know what’s to be expected. Let’s jump right into it.

6.7 cummins turbo actuator delete

What You Should Know About the 6.7 Cummins Actuator Delete

Do keep in mind that your turbo actuator is a component that regulates the turbocharger’s airflow. Thus, if you delete this part, you are reducing your engine’s protective layer.

Moreover, there is a need for recalibrating the ECU when you delete the actuator. This is necessary to eliminate certain engine damage. And most importantly, you should never carry out a turbo actuator delete unless you work with a specialist. This way, you can prevent issues that some people encounter.

So why do a delete?

There are folks who delete their turbo actuator as a means of enhancing their 6.7 Cummins’ overall performance. This mod is responsible for that exceptional power boost, while at the same time it is easy to do this. Hence, some people no longer think twice about performing an actuator delete.

If you are looking to do this, the first thing to do is to take the intercooler pipe out. This runs from your turbocharger and into the intercooler. Loosen the clamps holding this component in place. Then, take the bolts out – the ones that secure the turbocharger. Afterwards, you can easily pull off the pipe on the turbocharger.

Additionally, you will need to take out the two bolts holding your actuator. This is found on the turbocharger’s side. Upon removing these, it should be easy to pull the actuator out of the housing. When you have the actuator deleted, your 6.7 Cummins can generate more power.

Now, if you wish to perform a test on your 6.7 turbo actuator, there are a few things to note. This usually comes with a waste gate actuator. It is responsible for controlling the boost pressure produced by the turbo. Thus, if this is not working right, the performance of your truck is reduced, as well.

You should be able to test the waste gate actuator at the comfort of your own home. You need a few tools to do this such as the digital multimeter, which you need to connect to the connector on the back portion of your WGA. Start your engine and keep it in idle for five minutes, which should allow for the warming up of the WGA.

Afterwards, rev your engine – do it until the 2000 RPM has been reached. Keep it here for about 5 seconds. Check the multimeter, which should read about 4 to 5 volts. In case you do not see such reading, then it is possible there is a fault with your WGA or the electrical connection. When you have a normal voltage reading, however, you can then test the actuation of your wastegate flap right inside your turbocharger.

You will have to disconnect your vacuum line from your WGA. Attach this to your hand-held vacuum pump. You should apply 20 in-HG of the total vacuum amount to your actuator and keep it there for 5 seconds. At this point, you should be able to feel or hear a clicking sound once the flap goes into the turbocharger. In case there is no sound, there may be a problem with the actuator or the connection to your flap in the turbocharger.

Additional Points To Consider

You would need to have your turbo actuator calibrated. This device controls the wastegate flap’s position in your turbocharged engine. It also controls the amount of exhaust gas that bypasses the turbine. So, to ensure its proper operation, it needs to be calibrated appropriately. 

When calibrating the turbocharger actuator, there are a few ways to do so. One would require a computer program while another means is with special tools. Nowadays, vehicles come equipped with electronic calibration capabilities that are built into their engine management systems. Hence, calibration can be done more precisely as compared with how it used to be with older style of pneumatic systems.

Keep in mind that an actuator is not required for all turbocharged engines. There are engines that could use some kind of a fixed geometry turbine housing. In this case, there is no need for an adjustable wastegate flap. Furthermore, these do not require an actuator, which means you do not have to calibrate them. 

Now, there are many people who complain about cylinder head cracks and head gasket failures due to high pressures and high temperatures. And so, they look into deleting their turbo actuator. However, it could only be an issue with poor calibrations. On the other hand, when you delete the actuator, your engine may no longer perform under well optimized conditions.

This is why there are some risks to consider before deleting the actuator. These include a loss of precise airflow, less boost at a lower engine RPM and an engine breaking force. So, be sure to factor in the pros and cons before doing a delete.

Read More: 6.7 Cummins Turbo Actuator Fuse Issues – Symptoms And Fixes

Wrap Up

Overall, a 6.7 Cummins turbo actuator delete may be beneficial when you want to boost engine performance. On the other hand, there are some drawbacks to consider such as less precise airflow and a reduction in boost when you are at a low RPM. Then, there are dangers of not doing it right because of a lack of specialized skills. This is why a turbo actuator delete is something that should be done by a specialist.

Make it a point to keep these factors in mind before performing an actuator delete to avoid further problems along the way.

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