Preparing connection areas of body for installing the lower firewall cross member

Align the sealing surfaces and connections of the body.
De-burr connection points and prepare them for joining.
Prepare connection areas of the body for joining.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Bonding areas
1. 3.1 Prepare marked areas -A- for bonding and riveting.
  > 5X00IN21 WORKING WITH BODY STRUCTURAL ADHESIVE PAH.071.781.00
2. 3.2 Prepare marked areas -B- for aluminum welding.
  > 5X00IN10 WELDING ALUMINIUM