RAM 1500 2019–2020 — technical service bulletin
Bulletin 0500420 · NHTSA communication 10224096 · issued Nov 25, 2020
Technical service bulletin
communication type
Back Over Prevention
component
2019–2020
model years
2
vehicle entries
Official summary
Rear Brake (Moan) Noise This bulletin involves installing a rear brake anti-moan kit. The customer may comment on the following:A low frequency moan or howl noise from the rear brakes, primarily in cold/humid conditions, typically on the first brake stop in forward or reverse, after vehicle has been sitting for lengthy periods of time (cold brakes).
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.