WenmarOpen by Wenmar Pro

Service bulletin TSB220181-090820

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 id10224321
Published by NHTSA2022-10-17
Manufacturer's numberTSB220181-090820
Manufacturer's date2022-09-08
NHTSA componentFUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of New Exhaust Gas Recirculation (EGR) Cooler allowing a more robust EGR cooler as a result of a new tube header change.

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, Exhaust and emissions, Fuel system, EGR valve

Vehicles listed
CUMMINS CUMMINS

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