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Service bulletin 237-019

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 id10057166
Published by NHTSA2015-04-23
Manufacturer's number237-019
Manufacturer's date2014-12-01
NHTSA componentFUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

NHTSA's summary

MACK TRUCKS: NEW STRATEGIES HAVE BEEN RECOMMENDED TO IMPROVE INJECTOR REPAIRS. TECHNICIANS WILL FOLLOW THE NECESSARY GUIDELINES FOR THE PROCEDURE. *LJ

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

Fuel system, Fuel injection

Vehicles listed
MACK CHU2014

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