Toyota 4RUNNER 2019 — technical service bulletin
Bulletin T-TT-0546-19 · NHTSA communication 10161539 · issued May 23, 2019
Technical service bulletin
communication type
Suspension
component
2019
model years
1
vehicle entries
Official summary
TT: Some 2019 model year 4Runner?s equipped with the TRD PRO package and Fox shocks may experience a ?knocking? noise over bumps with cool ambient temperatures, normally below 35 degrees Fahrenheit.
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.