911 Carrera 4 Cabriolet (996) F6-3.4L (1999)
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1. Fasten vacuum modulator on the tuning pipe. Put on and tighten the two cross-recess screws -arrows 2- for this purpose.
2. Push on vacuum hose -arrow 3-.
3. Carefully push the ball socket -arrow 1- onto the shaft of the tuning pipe flap; make sure it is seated properly. If necessary, grease the inside of
the ball socket for easier fitting.