Preparing (Outer) Rear Wheel Housing For Installation

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Drill holes for plug welding using inert gas.

Fig 1: Identifying (Outer) Rear Wheel Housing Drill Holes For Plug Welding
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Grind both sides of connecting flanges of (outer) rear wheel housing in the marked areas until bare.

Fig 2: Identifying Connecting Flanges Of (Outer) Rear Wheel Housing
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Information

Do not apply zinc powder paint to the bonding areas.
Coat all spot-weld flange areas with zinc powder paint.