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RecallGazette

Vehicle problems, recalls & safety intelligence

Porsche Cayenne 2008–2016technical service bulletin

Bulletin 122-P4S4B-04 · NHTSA communication 10173034 · issued Mar 6, 2020

Technical service bulletin
communication type
Engine and Engine Cooling
component
2008–2016
model years
16
vehicle entries

Official summary

Information on crankcase/piston ring replacement, stating that mixed installation is not permitted and a full replacement must take place.

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.