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RecallGazette

Vehicle problems, recalls & safety intelligence

Porsche Cayenne 2010–2019technical service bulletin

Bulletin 122-W5C2W-08 · NHTSA communication 10163757 · issued Jul 2, 2019

Technical service bulletin
communication type
Engine
component
2010–2019
model years
24
vehicle entries

Official summary

Information about possible engine knocking and how to clean carbon deposits is they are dirty and causing knocking.

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.