Astra L4-1.8L (2009)
4. Remove belt inner sealing strip.
Pull sealing strip carefully from behind beginning at the top.
5. Remove belt outer sealing strip.
Remove sealing strip carefully from behind beginning from the top and take out from the rearview mirror backwards.
6. Drill out the rear front door window channel.
Drill out 2 rivets (1).
7. Remove the window channel.
8. Remove front door window.
Remove 2 bolts (2).
