Jeep Cherokee 2019–2020 — technical service bulletin
Bulletin 09-002-20 REV. A · NHTSA communication 10173359 · issued Feb 11, 2020
Technical service bulletin
communication type
Power Train
component
2019–2020
model years
2
vehicle entries
Official summary
Camshaft Whining Noise This bulletin involves replacing the camshaft. The customer may describe the following: An excessive whining noise coming from the engine. Whining noise can usually be heard at idle.
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.