The bolt is 13mm and the lower end is a 6mm hex socket. I removed the brace that attaches to the turbine housing, shown with the upper arrow. I found adjusting the wastegate actuator rod from beneath the car to be the easiest way. Oh right, I’d forgot about doing this when I finished the installation. That I needed to set the wastegate became apparent when an EPC light illuminated and the “ Turbocharger Boost Control Position Sensor Circuit – Implausible Signal” registered. IS20 & IS38 Turbocharger Swap ChecklistĪs part of the installation of the Shuenk OEM+ IS38 turbocharger ( install checklist here) on my Mk7 GTI setting the wastegate actuator to the proper voltage was needed.APR Intake with Stock Turbocharger Inlet Pipe.Stock Airbox with aFe Magnum Flow Air Filter.
