Have a 2012 991 Carrera S Cab with Porsche Dynamic Chassis Control. Vehicle has just over 100k miles and is making a nasty vibration/chatter that resonates through the entire car between 2700-3500 rpms. Put the vehicle up in the air and found the noise coming from what looks like the chassis control lines. The lines are vibrating in between the gas tank and front compartment tub. No faults in the system. Getting an appointment at Porsche but wanted to see if any else has experienced this concern and knows a quick fix. Using my scanner I am getting around 8 bar pressure at all four corners of the PDCC.

Any help is appreciated

 

Report back on what you find.

 

Will do. Going to dealer tomorrow morning for diagnosis.

 

Wonder if the pump died or is dying.


on having 100,000 miles.

 

Should’ve had ... 2? PDDC fluid and bottle changes by now right?

 

The interval is every 60K along with the serpentine belt.

 

What did it end up being?