Service bulletin SC-21-034
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 | 11013622 |
| Published by NHTSA | 2025-02-04 |
| Manufacturer's number | SC-21-034 |
| Manufacturer's date | 2021-09-21 |
| Campaign id or software version | SC-21-034 |
| NHTSA component | SERVICE BRAKES |
NHTSA's summary
Transit bus repair to the air compressor, the previous banjo fitting was prone to leaking, the solid drain plug prevents compressor from losing oil.
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
| PROTERRA CATALYST | 2016 to 2021 |
|---|---|
| PROTERRA ZX5 | 2019 to 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.