Service bulletin S-1722
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11023881 |
| Published by NHTSA | 2025-10-03 |
| Manufacturer's number | S-1722 |
| Manufacturer's date | 2025-09-09 |
| NHTSA component | SERVICE BRAKES |
| Manufacturer's system | Wheel End: Parking brake actuator |
NHTSA's summary
Installation Instructions - Knorr Bremse NG3 Brake Chamber Installation Instructions - These instructions cover the removal and installation of the service replacement Knorr-Bremse® NG3 piston-style parking brake chamber assembly on Air Disc Brakes (ADB). For additional information, refer to SD-23-7550 on B2Bendix.com.
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
| BENDIX AIR DISC BRAKE ACTUATOR | |
|---|---|
| BENDIX AIR DISC BRAKE ACTUATOR 2 | |
| BENDIX WHEEL ENDS |
Listing a model year does not mean every vehicle of it is concerned: the document says which.