Jeep Wrangler 2012–2013 — technical service bulletin
Bulletin 21-013-14 · NHTSA communication 10217963 · issued Apr 12, 2014
Technical service bulletin
communication type
Power Train
component
2012–2013
model years
2
vehicle entries
Official summary
Transmission Oil Cooler Tube This bulletin involves inspecting the transmission oil cooler tubes, power steering return tube and if necessary installing a protective sleeve on the transmission oil cooler tube. The customer inquires about Recall N28 and power steering return lines are not available, although the vehicle was built on or before February 23, 2013 (MDH 022317) equipped with 3.6L engine (sales code ERB), automatic transmission (sales code DGJ), left hand drive (sales code 5I8).
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.