Chrysler Pacifica 2022–2023 — technical service bulletin
Bulletin 0900923 · NHTSA communication 10239951 · issued May 17, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022–2023
model years
14
vehicle entries
Official summary
Engine Ticking Noise Engine makes an abnormal ticking noise. There may be Diagnostic Trouble Codes (DTC)s present. This bulletin involves inspecting and if needed, replacing the intake HLAs. NOTE: **ALL VEHICLES ON THE RSU VIN LIST REQUIRE ALL 12 INTAKE HYDRAULIC LASH ADJUSTERS TO BE REPLACED**.
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.