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Service bulletin SC0403

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 id10078731
Published by NHTSA2016-08-16
Manufacturer's numberSC0403
Manufacturer's date2016-05-25
NHTSA componentSUSPENSION:REAR:AXLE:SPINDLE

NHTSA's summary

INTERAXLE YOKE RETAINING NUT RECALL.

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

Suspension

Vehicles listed
MACK CHU2013 to 2015
MACK CXU2012 to 2015
MACK GU2012 to 2015
MACK LEU2012 to 2015
MACK MRU2012 to 2015
MACK TD2012 to 2015

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