WenmarOpen by Wenmar Pro

Service bulletin T-SB-0024-16

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10134307
Published by NHTSA2018-04-23
Manufacturer's numberT-SB-0024-16
Manufacturer's date2016-03-25
NHTSA componentPOWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT

NHTSA's summary

TSB: Some 2015 ? 2016 model year Sienna vehicles may exhibit a grease leak where grease is coming through the boot clamp area on the big end of the outboard front axle shaft joint. Follow the Repair Procedure in this bulletin to address the condition.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline, Axle

Vehicles listed
TOYOTA SIENNA2015, 2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
T-SB-0024-162017-04-06. Service bulletin. TSB: SOME 2015 – 2016 MODEL YEAR SIENNA VEHICLES MAY EXHIBIT A GREASE LEAK WHERE GREASE IS COMING THROUGH THE BOOT CLAMP AREA ON THE BIG END OF THE OUTBOARD FRONT AXLE SHAFT JOINT. FOLLOW THE REPAIR PROCEDURE IN THIS BULLETIN TO ADDRESS THE CONDITION.