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Service bulletin Sp17-311

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 id10116410
Published by NHTSA2017-08-25
Manufacturer's numberSp17-311
Manufacturer's date2017-06-01
NHTSA componentSTRUCTURE:BODY:DOOR

NHTSA's summary

On the vehicles affected by this bulletin, replace connector C12 installed inside the DPF access door with an improved version providing a better seal.

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

Body and frame

Vehicles listed
PREVOST X32014 to 2016

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