Jeep Wrangler 2012–2013 — technical service bulletin
Bulletin 21-013-14 · NHTSA communication 10055485 · issued Jun 3, 2014
Technical service bulletin
communication type
Power Train
component
2012–2013
model years
2
vehicle entries
Official summary
Transmission oil cooler tubes, power steering return, protective sleeve needs installing on the transmission cooler tube. *06/03/2014 lj.
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.