Chrysler Pacifica 2023 — technical service bulletin
Bulletin 0500323 · NHTSA communication 10239931 · issued May 9, 2023
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2023
model years
1
vehicle entries
Official summary
Rear Brake Knocking Noise Customer may experience a knocking noise from rear of vehicle when braking while driving in the forward direction. This bulletin involves test driving and if necessary replacing the rear brake rotors and fasteners.
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.