Porsche Cayenne 2011–2017 — technical service bulletin
Bulletin 122-P6P7K-10 · NHTSA communication 10119330 · issued Oct 20, 2016
Technical service bulletin
communication type
Equipment
component
2011–2017
model years
11
vehicle entries
Official summary
Converting transfer cases that are still in stock to the new type before installing themin customer vehicles. The optimized transfer case is used during production from week 31/2016. If the transfer case needs to be replaced, check the part number of the new transfer case. If the transfer case is the old type, it must be converted to the new type before doing any other work. Conversion to the new type involves: ? Fitting a new protective ring on the front output drive (sometimes also referred to as "dust boot"), ? Fitting a new vent connection (breather adapter) ? Retrofitting a vent line in t
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.