WenmarOpen by Wenmar Pro

Service bulletin E260

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 id10180727
Published by NHTSA2020-10-06
Manufacturer's numberE260
Manufacturer's date2020-09-16
NHTSA componentENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

NHTSA's summary

Non-Safety Campaign – The retaining tabs that hold the bypass valve to the oil filter cap could break off and enter the engine oil. The oil filter cap will be replaced and an improved oil thermostat will be installed.

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, Equipment and accessories

Vehicles listed
PACCAR MX-132019 to 2020

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