Porsche Panamera 2011–2012 — technical service bulletin
Bulletin TI-29-12 · NHTSA communication 10051381 · issued Dec 10, 2012
Technical service bulletin
communication type
Engine
component
2011–2012
model years
2
vehicle entries
Official summary
Porsche: due to elastomer check valve in additional outlet, on vacuum pump, can become damaged, resulting in secondary loads, supplied by the vacuum, not being sufficient. Models 2011-2012 panamera, panamera 4. *pe
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.