Mazda CX-5 2013–2016 — technical service bulletin
Bulletin 03-002-17-3394 · NHTSA communication 10188487 · issued Nov 20, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2016
model years
4
vehicle entries
Official summary
Some vehicles may exhibit an oil leak from the companion flange area (A) of the transfer unit. This concern may be caused by companion flange oil seal wear. The oil seal has been improved to increase the wear resistance.
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.