Jeep Wrangler 2021 — technical service bulletin
Bulletin 07-001-21 · NHTSA communication 10218558 · issued Aug 5, 2021
Technical service bulletin
communication type
Air Bags
component
2021
model years
1
vehicle entries
Official summary
Transmission Oil Cooler Lines Not Fully Engaged This bulletin involves visually inspecting both driver and passenger, upper and lower transmission oil cooler line quick connect attachments to the transmission and if not engaged, pushing the quick connect into the transmission until a click is heard or felt. Customers may also comment on one or more of the following: Transmission fluid leaking from under the vehicle. Transmission not shifting properly or transmission gradually loses the ability to transfer power to the wheels.
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.