Service bulletins for the 2017 Toyota 4Runner
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
208 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Differential are shown. Show all
| T-SB-0012-19 | 2019-02-19. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. TSB: Some 2016 ? 2019 model year 4Runner 4WD vehicles may exhibit a cyclical groaning or grinding noise from the front differential in 2WD that is not present during 4WD operation. Follow the Repair Procedure in this bulletin to address this condition. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.