WenmarOpen by Wenmar Pro

Service bulletin SD-23-7541

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 id10200752
Published by NHTSA2021-09-01
Manufacturer's numberSD-23-7541
Manufacturer's date2021-08-30
NHTSA componentSERVICE BRAKES, AIR

NHTSA's summary

Bendix® ADB22X®, ADB22X®-V, and ADB22X®-LT Air Disc Brakes (ADB) use a floating caliper design to provide foundation braking on all axles of heavy commercial vehicles, buses, and trailers. Bendix air disc brakes provide safety and performance as well as ease of service.

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

Brakes

Vehicles listed
BENDIX ADB22X
BENDIX ADB22X-LT
BENDIX ADB22X-V

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