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Service bulletin B20011

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 id10213001
Published by NHTSA2022-06-07
Manufacturer's numberB20011
Manufacturer's date2020-08-17
NHTSA componentENGINE; ENGINE AND ENGINE COOLING

NHTSA's summary

It has been determined that the Exhaust Manifold of the Carrier TRU may cause yellowing and sometimes non-structural cracking to the the exterior Nose Wall

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
WABASH NATIONAL VAN2018 to 2020

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