Jeep Cherokee 2020 — technical service bulletin
Bulletin 1100320 · NHTSA communication 10221858 · issued Aug 1, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020
model years
1
vehicle entries
Official summary
Drone, Pop, or Rattle Noise From The Passenger Side Floor Area This bulletin involves inspecting the under floor exhaust system and possibly replacing the exhaust pipe assembly and gaskets. Customers may comment on one or more of the following:A drone, pop, or rattle noise, emitting from the passenger floor area while driving usually over large bumps or uneven pavement.
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.