Porsche Cayenne 2014 — technical service bulletin
Bulletin 122-X3H2P-06 · NHTSA communication 10117479 · issued Sep 29, 2014
Technical service bulletin
communication type
Engine
component
2014
model years
1
vehicle entries
Official summary
Concerns: Cylinder head Information: This is to inform you of a Stop Sale Campaign on the above-mentioned vehicles. Routine tests carried out previously have shown that the cylinder head on the engines on the affected vehicles do not meet the required specifications and there is a possibility that the long-term durability required by Porsche will not be met.
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.