Installing Roof Outer Skin
Clean bonding surfaces on vehicle and on new part with cleaning agent R1.
Apply sealant D1 in areas (2).
Apply adhesive in areas (1).
Apply adhesive in areas (1) and (2).
Apply a somewhat larger quantity of adhesive in the node areas of the A and C pillars.
Place roof outer skin with helpers evenly and centrally on vehicle.
Fit roof strips for positioning if necessary.
Insert 4 star screws (1) hand-tight.
Secure roof outer skin with 4 roof pliers (1) and 2 tensioning straps (2).
Rivet roof outer skin with 14 punch rivets in areas (2).
Set punch rivets in corners starting at a distance of approx. 200 mm.
In so doing, bear in mind subsequent fitting of roof trim strips.
The mounting surfaces of clips for roof trim strips must not be coated with adhesive.
Adapt stage (1) between roof outer skin (2) and A-pillar with emerging adhesive. Remove excess adhesive.
Do not leave any traces of sharp edges as this could compromise the tightness of the subsequent bond.
After adhesive hardens, tighten 4 star screws in roof channel.
Tightening torque 41 31 2AZ .