Jeep Wrangler 2021–2025 — technical service bulletin
Bulletin 103618 · NHTSA communication 11015807 · issued Mar 4, 2025
Technical service bulletin
communication type
Engine
component
2021–2025
model years
5
vehicle entries
Official summary
Hose - coolant recovery bottle
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.