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Service bulletin SB-314

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 id10028748
Published by NHTSA2009-05-22
Manufacturer's numberSB-314
Manufacturer's date2008-12-02
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

MOTOR COACH: ENGINE SHUT DOWN/LOW COOLANT SENSOR. DIRECT CURRENT LOW COOLANT SENSOR HAS BECOME PLATED WITH COOLANT CHEMICALS AND NO LONGER SENSES THAT THE COOLANT LEVEL HAS DROPPED. MODEL YEARS UNKNOWN. *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, Cooling system

Vehicles listed
MCI D2000 to 2008
MCI D SERIES
MCI D SERIES1998

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