Jeep Cherokee 2020 — technical service bulletin
Bulletin 07-002-20 · NHTSA communication 10183082 · issued Oct 15, 2020
Technical service bulletin
communication type
Equipment
component
2020
model years
1
vehicle entries
Official summary
Heater Hoses Installed Incorrectly This bulletin involves inspecting the heater hoses and possibly draining the engine coolant, swapping the heater hoses and refilling the engine coolant. Some vehicles may have been built with one or more of the following:Heater hoses installed in reversed order. If the coolant was drained and replaced, a sign the heater hoses are reversed is the vehicle will also make a gurgling noise.
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.