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Service bulletin SP15-305

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 id10126478
Published by NHTSA2017-12-22
Manufacturer's numberSP15-305
Manufacturer's date2015-02-05
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

On the vehicles affected by this bulletin, Inspect the lower Oil fill tube flexible tube. If it is made of black material, replace tube. Green and blue silicone hoses are accepted.

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

Engine

Vehicles listed
PREVOST X3-452015

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