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Service bulletin SB-424

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 id10058405
Published by NHTSA2015-09-16
Manufacturer's numberSB-424
Manufacturer's date2015-06-09
NHTSA componentFUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; ENGINE

NHTSA's summary

MOTOR COACH IND.: SOME COACHES NEED TO HAVE THE LUBRICATING OIL FILTER BYPASS VALVE AND FUEL PUMP REPAIRED DUE TO VENDOR'S INSTALLATION. MODEL D, J4500. NO MODEL YEARS LISTED. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Fuel system, Fuel pump

Vehicles listed
MCI D SERIES
MCI J45002010 to 2015

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