Porsche Cayenne 2011 — technical service bulletin
Bulletin 122-H7R4M-06 · NHTSA communication 10109297 · issued Apr 19, 2012
Technical service bulletin
communication type
Power Train
component
2011
model years
1
vehicle entries
Official summary
Concerns: Transfer case Information: This is to inform you of a voluntary Workshop Campaign on certain 2011 model year Cayenne S and Cayenne Turbo vehicles. There is the possibility that transfer cases with defective clutch baskets may have been installed on the affected vehicles. As a result, the transfer case can cause vibrations that are unacceptable for the customer while driving. To remedy the situation, replace the transfer case
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.