Gap between cowl panel and front roof shell is uneven; gap dimension not OK or hard impact of the front roof shell on the cowl panel.
Check the gap dimension between the cowl panel and front roof shell.
Check the gap dimension as shown in Fig. 1.
If the gap dimension is not OK, it can be set via the base plate.
The gap dimension (1) must be 5.0 mm +/- 1 mm.
When adjusting the base plate, make sure that the two centring pins do not leave the catch area (1) of the base plates.