Wastegate Actuator Rod Adjustment

On aftermarket actuators and external wastegates we can change the internal spring.

Wastegate actuator rod adjustment.

Rotate the wastegate actuator 1 upward in the direction of the arrow. When the wastegate linkage pin cannot be removed the alternate procedure in this document must be followed to remove the turbocharger and the electric wastegate actuator. Specifically i need to adjust calibrate the position of the open and closed positions of the actuator rod for the wastegate. When you increase the preload you do two things.

I wish to fully activate from one end to the other the rod servo etc get it to find the end stops as there is no external adjustment. The reverse removes preload. After getting under my 2 0t gli i was able to locate the actuator rod just above the passenger side axle. Reason is that these stick as the pivot joint between the turbo actuator rod is to tight so i undid mine wet sanded it clean 2000grit oil regressed using 1000c brake pad mintex ceratec grease.

One is that. This video explains how you can adjust the wastegate preload settings of an internal wastegate turbocharger for increasing the boost or decreasing the boost. Remove both of the electric wastegate actuator torx screws 1. Therefore the only aspect that we can change on the oem actuator is preload.

There are quite a few threads on the 1 8t forum about tuning the wastegate by moving the actuator rod locknuts a few turns thereby making the rod shorter which results in the wastegate opening up less and holding more boost. Temporarily secure the wastegate. Shortening the wastegate rod using the adjustment screws adds preload to the internal spring.