Porsche 996 TT Repair Manual page 483

einordnung
9. Mount the piston pins into the associated pistons from the inner side. The piston pin should only be
inserted so far that the connecting rod can still be mounted.
10. Check pistons for correct installation position. The large valve recesses must face upwards in the
installation position.
11. Mount cylinder base seal above the studs.
12. Place spacer special tool 9651 on the outer stud.
13. Push premounted cylinder onto the studs.
Note
Installing pistons and cylinders 420