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Service bulletin E258

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 id10171024
Published by NHTSA2020-02-05
Manufacturer's numberE258
Manufacturer's date2020-01-24
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Non-Safety Campaign - The retaining tabs that hold the oil bypass valve to the filter cap may break and enter the engine oiling system. Oil filter caps will be replaced. Improved oil thermostats will also be installed. Chassis list has been updated.

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

Vehicles listed
PACCAR MX-132017

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