Service bulletin SB 410

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.

NHTSA's summary

This Service Bulletin informs affected customers that the diesel exhaust fluid (DEF) pressure line may exhibit signs of fatigue and melting on model year 2011-2013 MCI D model coaches, and that MCI will remedy the affected coaches at no cost to the customers.

The document

• NHTSA's copy of the document (PDF)
• If that address does not open, try this one

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

Engine, Exhaust and emissions

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

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