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Service bulletin SP15-307

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 id10126480
Published by NHTSA2017-12-22
Manufacturer's numberSP15-307
Manufacturer's date2015-02-10
NHTSA componentELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

NHTSA's summary

On the vehicles affected by this bulletin, tighten the alternator return pulley mounting bolt to a specific torque.

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

Electrical system, Alternator

Vehicles listed
PREVOST X3-452014 to 2015

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