Probleme E-Verdeck mit VIDEO!

[Grappa]

Lars,

your german is not brilliant, but - with respect - quite good. I had no trouble understanding your posts.

Do not worry too much about the ECU. There is just a risk for the ECU to lose information. If it happened, do not worry either. Resetting the ECU is done quickly and easy - but you need equippment or a work shop.

Interesting to read, that the pump hits the rear inner fender. That is not intended. The design of the pump position and the fender for sure does not include a touch condition but a certain clearance. I strongly recommend to check whether there is something wrong with your car (previous accident? Pump not mounted in correct position?).

Please note: The position of the pump is important, because (next to being a pump) it works as a tuned mass damper (TMD), which is tuned to a certain resonance frequency. The entire car gets excited (for example from the road) and responds with a vibration in certain frequencies and mode shapes. To avoid unwanted vibrations in the resonance frequencies (lowers customer satisfaction ) or at least to reduce those, the TMD works phase shifted to the cars vibration, eliminating the vibration amplitude.
In order to have the TMD work correctly within the entire vibration system given by the car, it has to sit at the position where the amplitude of the vibration is max or at least quite high. If you put it on a different position, you might hit the node of the vibration and thus make the TMD ineffective. In the worst case you can even get amplification of the vibration.
So please check your car for anything that looks unusual.