Jeep Wrangler 2021–2022 — technical service bulletin
Bulletin 9100022 · NHTSA communication 10229439 · issued Aug 3, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021–2022
model years
2
vehicle entries
Official summary
Water Pump For concern of leak at water pump, please check and re-torque water pump inlet tube fasteners as described in Service Bulletin 07-001-22 before replacing the water pump.
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.