Jeep Wrangler 2007–2016 — technical service bulletin
Bulletin S80 · NHTSA communication 10138874 · issued Jun 1, 2018
Technical service bulletin
communication type
Power Train
component
2007–2016
model years
10
vehicle entries
Official summary
Customer Satisfaction Notification S80 Aftermarket Dana 60 Front Axle The aftermarket front axle steering knuckles have been machined with an incorrect taper during the manufacturing process on about 250 of the above vehicles, with approximately 80 of the axles sold by Mopar aftermarket. This condition can result in premature axle knuckle wear. The aftermarket front axle knuckles must be replaced with new axle knuckles for the left side and right side.
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.