Jeep Wrangler 2021–2022 — technical service bulletin
Bulletin 9100022 · NHTSA communication 10225954 · issued Sep 28, 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. Please also inspect the water pump to block gasket, this gasket can be service separately.
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.