Jeep Wrangler 2018–2019 — technical service bulletin
Bulletin 9004166 · NHTSA communication 10220014 · issued Nov 27, 2019
Technical service bulletin
communication type
Steering
component
2018–2019
model years
2
vehicle entries
Official summary
DAMPER, Steering Additional service procedure steps after replacing the steering damper: Verify the correct orientation of the steering damper. With the vehicle on the ground, it is required to turn the steering wheel for five lock to lock turns ( ?Full Left ? Full Right ? Center? OR ?Full Right ? Full Left ? Center? counted as 1) at 1 rotation/sec to prime the steering damper and purge out the air. NOTE: It is important to prime the new damper by rotating the steering wheel five full lock to lock turns to purge any trapped air out.
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.