Jeep Wrangler 2018–2020 — technical service bulletin
Bulletin 0700120 · NHTSA communication 10223594 · issued Jun 24, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2020
model years
3
vehicle entries
Official summary
Water Pump Inlet Tube Fastener Torque This bulletin involves checking the torque on the water pump inlet tube fasteners to possibly eliminate coolant leak at this location. The customer may describe either a coolant leak or the coolant level is low.
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.