Toyota 4RUNNER 2019 — technical service bulletin
Bulletin T-SB-0054-21 · NHTSA communication 10201343 · issued Jul 15, 2021
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2019
model years
1
vehicle entries
Official summary
TSB: Some 2019 model year 4Runner vehicles may exhibit a squeal/squeak noise from the front brakes with light to moderate braking. Follow the Repair Procedure in this bulletin to address this condition.
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.