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Service bulletin SB 427 (DEC)

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 id10119745
Published by NHTSA2017-10-21
Manufacturer's numberSB 427 (DEC)
Manufacturer's date2015-08-25
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

This Service Bulletin informs customers that MCI was notified by ZF Friedrichshafen AG that the lower die-cast aluminum seal carrier of the front and trailing (tag) axle king pin mount has exhibited signs of premature wear on model year 2013-2014 MCI D model coaches and model year 2013-2016 MCI J4500 model coaches, and that MCI will remedy the affected coaches at no cost to the customers.

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

Equipment and accessories

Vehicles listed
MCI D45002013 to 2014
MCI D45052013 to 2014
MCI J45002013 to 2016

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