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Service bulletin S16YN

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 id10076046
Published by NHTSA2016-07-07
Manufacturer's numberS16YN
Manufacturer's date2016-08-11
NHTSA componentSERVICE BRAKES

NHTSA's summary

Rear axle shaft flange nut torque reduces allowing for oil leak between the axle shaft and hub. Replace the existing rear axle flange lock nut with a new non-locking nut and star washer. Request that the Service Manual be updated by technician to show new nut and torque.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes

Vehicles listed
BLUE BIRD BLUE BIRD

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