Service bulletin TSB170046-040720
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 | 10110332 |
| Published by NHTSA | 2017-08-04 |
| Manufacturer's number | TSB170046-040720 |
| Manufacturer's date | 2017-04-07 |
| NHTSA component | ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN |
NHTSA's summary
This Technical Service Bulletin describes the verification and resolution of fan drive belt chirp on International® Trucks and School Buses. Select fan drive belt configurations have a fan drive belt installed that is excessively long causing the belt tensioner to wear-out or have uneven bearing wear. The fan drive belt tensioner should be replaced if malfunction has occurred.
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, Cooling fan, Cooling system, Drive belts
| CUMMINS B6.7 | |
|---|---|
| CUMMINS ISB6.7 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.