Shortening the wastegate rod using the adjustment screws adds preload to the internal spring.
Wastegate actuator rod adjustment.
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.
The reverse removes preload.
I was hoping to figure out whether vcds can help me out here and if so how it works.
This video explains how you can adjust the wastegate preload settings of an internal wastegate turbocharger for increasing the boost or decreasing the boost.
Rotate the wastegate actuator 1 upward in the direction of the arrow.
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.
On aftermarket actuators and external wastegates we can change the internal spring.
When you increase the preload you do two things.
Remove both of the electric wastegate actuator torx screws 1.
Therefore the only aspect that we can change on the oem actuator is preload.
Temporarily secure the wastegate.
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.
After getting under my 2 0t gli i was able to locate the actuator rod just above the passenger side axle.
By removing the stainless steel bracket the turbo attaches to i.
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.