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Service bulletin E274

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 id10183723
Published by NHTSA2020-12-05
Manufacturer's numberE274
Manufacturer's date2020-11-20
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Non-Safety Campaign Certain vehicles may have a faulty oil module filter cap. The plastic retaining tabs on the cap could break off and enter the engine oil. The remedy is to replace with an improved oil filter cap.

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-132019 to 2020

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