WenmarOpen by Wenmar Pro

Service bulletin T1486

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 id10085287
Published by NHTSA2016-12-01
Manufacturer's numberT1486
Manufacturer's date2014-04-22
NHTSA componentENGINE

NHTSA's summary

THIS TEMPORARY REPAIR PRACTICE AUTHORIZES REPAIR LOCATIONS TO REMOVE AND DISCARD THE LAMINAR FLOW SCREEN ON CERTAIN ENGINES WHEN WORKING ON THE FUEL CONTROL HOUSING OR REMOVING THE FUEL TRANSFER TUBE.

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

Engine

Vehicles listed
CUMMINS WESTPORT ISX12 G

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