Jeep Wrangler 2014 — technical service bulletin
Bulletin 16-001-14 · NHTSA communication 10139708 · issued Aug 28, 2014
Technical service bulletin
communication type
Suspension
component
2014
model years
2
vehicle entries
Official summary
High Speed Vibration Coming From The Rear Of The Vehicle This bulletin involves replacing the rear propeller shaft. Customers may indicate that they feel a vibration coming from the rear of the vehicle at speeds between 80 kph (50 mph) and 120 kph (75 mph).
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.