Porsche Panamera 2010–2012 — technical service bulletin
Bulletin 122-N2C3W-02 · NHTSA communication 10128650 · issued Jan 8, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2010–2012
model years
6
vehicle entries
Official summary
Subject: Fastening screws for camshaft controllers Information: Due to influencing factors during the camshaft controller assembly process, the threaded connections can become strained to such an extent that the function of the camshaft controller cannot be guaranteed over the service life of the vehicle.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.