Service bulletins for the 2015 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.
338 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Transfer case are shown. Show all
| T-TT-0334-15 | 2017-08-14. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); POWER TRAIN. TT: Certain vehicles may exhibit a leak from the input shaft seal on the transfer case assembly. This leak is typically first identified by fluid collecting at the bottom of the seam between the transmission output and transfer case input mating surfaces. |
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| T-TT-0334-15 | 2017-08-14. Service bulletin. POWER TRAIN; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). TT: Certain vehicles may exhibit a leak from the input shaft seal on the transfer case assembly. This leak is typically first identified by fluid collecting at the bottom of the seam between the transmission output and transfer case input mating surfaces. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.