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Service bulletin E168

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 id10096913
Published by NHTSA2017-04-05
Manufacturer's numberE168
Manufacturer's date2017-01-17
NHTSA componentEQUIPMENT

NHTSA's summary

NON-SAFETY CAMPAIGN: WORN HERTEL WASHER TOOLING PRODUCED INJECTOR-SEALING WASHERS THAT DO NOT PERFORM AS DESIGNED. OVER TIME, COMBUSTION GASSES MAY WORK PAST THE HERTEL WASHERS ALLOWING AIR TO ENTER THE FUEL SYSTEM TRIGGERING FAULT CODES.

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

Equipment and accessories

Vehicles listed
PACCAR MX-132016

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