When you increase the preload you do two things.
Wastegate actuator rod adjustment.
After getting under my 2 0t gli i was able to locate the actuator rod just above the passenger side axle.
Hi folks i m a diyer looking to repair my is20 turbo on a mk7 golf.
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.
Therefore the only aspect that we can change on the oem actuator is preload.
Temporarily secure the wastegate.
This video explains how you can adjust the wastegate preload settings of an internal wastegate turbocharger for increasing the boost or decreasing the boost.
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.
Rotate the wastegate actuator 1 upward in the direction of the arrow.
The reverse removes preload.
One is that.
I was hoping to figure out whether vcds can help me out here and if so how it works.
Remove both of the electric wastegate actuator torx screws 1.
Shortening the wastegate rod using the adjustment screws adds preload to the internal spring.
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.
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.