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Service bulletin E311

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 id10254150
Published by NHTSA2024-05-04
Manufacturer's numberE311
Manufacturer's date2024-04-10
NHTSA componentENGINE AND ENGINE COOLING; POWER TRAIN

NHTSA's summary

Chassis identified by PACCAR through the connected truck prognostic program have potential for failure due to camshaft wear. PACCAR will proactively contact the customers with chassis identified in this campaign. Chassis equipped with PACCAR MX13 EMY17-20 engines built prior to 04/19/2019 or MX13 EMY19-21 built on or after 04/20/2019 will be identified through the use of the connected truck prognostic program. Only trucks with an active standard warranty or active, applicable extended warranty will be included in this campaign.

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

Engine, Transmission and driveline

Vehicles listed
PACCAR MX-132017 to 2021

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