Preparing Side Member For Installation

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Clean welding and sealing areas on inner side member.
1. 1.1. Grind both sides of the connecting flanges on the inner side member in the marked areas until bare using a rotary brush.
  
  Fig 1: Preparing Connecting Flanges On Inner Side Member
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Prepare outer side member and clean welding and sealing areas
1. 2.1. Grind both sides of the connecting flanges on the outer side member in the marked areas until bare using a rotary brush.
  
  Fig 2: Preparing Connecting Flanges On Outer Side Member (A)
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. 2.2. Drill holes Ø 8 mm in the fastening flanges of the outer side member close to the overlap (area -A- ). Maintain a clearance of approx. 20 mm between the holes.