Service bulletin 22NA025
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 | 10214241 |
| Published by NHTSA | 2022-06-21 |
| Manufacturer's number | 22NA025 |
| Manufacturer's date | 2022-02-02 |
| NHTSA component | ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR |
NHTSA's summary
This technical bulletin provides a procedure to check and repair the balancer if found contacting the front cover.
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, Catalytic converter
| CHEVROLET SILVERADO 2500 | 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
|---|---|
| CHEVROLET SILVERADO 4500 | 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.