Infiniti QX80 2018–2020 — technical service bulletin
Bulletin ITB20-020 · NHTSA communication 10179559 · issued Aug 13, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2020
model years
3
vehicle entries
Official summary
RATTLE FROM HEAT SHIELD IF YOU CONFIRM There is a rattle noise coming from the right front of the vehicle when the engine is running, when turning the steering wheel, or when driving at parking lot speeds. ACTION Adjust the clearance between the heat shield above the exhaust front tube (RH) and the frame to 10 mm, AND Adjust the clearance between the rear cooler and heater pipe assembly and the heat shield above the exhaust front tube (RH) to 6 mm.
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.