Preparing Spare-Wheel Well For Installation

Make holes for plug-welding using inert gas using a body hole punch.

Fig 1: Identifying Spare-Wheel Well Holes For Plug-Welding
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Clean the welding areas.
1. 2.1. Grind both sides of the connecting flanges of the spare-wheel well in the marked areas until bare.
  
  Fig 2: Identifying Connecting Flanges Of Spare-Wheel
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Coat all spot-weld flange areas with zinc powder paint.