How To Fix Boxter Problems

[2VO]

The problem I’m experiencing is the automatic window lowering when opening/closing driver’s door. The window drops 1/2” when lifting handle in process of opening door. The problem is the window lifts back up when the handle is released. Thus, when door is closing the window impacts the frame. Passenger door shows how it should work: On lifting handle window drops 1/2” and stays down when door is open and handle is released (thus when closing door window is in down position and does not hit frame). Does anyone know the likely cause of the problem and any ideas how to fix it?