Penetrated Joints

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Penetrated joint

Loosening penetrated joints 

1. Only penetrated joint with 3.7 mm diameter:  Drill out penetrated joint using a 4.0 mm drill bit.
2. Only penetrated joint with 5, 4 mm diameter:  Drill out penetrated joints using a 6.7 mm drill bit.