Service bulletin TIB-42-41
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 | 10030408 |
| Published by NHTSA | 2009-09-29 |
| Manufacturer's number | TIB-42-41 |
| Manufacturer's date | 2008-12-03 |
| NHTSA component | ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE) |
NHTSA's summary
KENWORTH SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. TOP TANK REPLACEMENT FOR C500 AND W900 WITH ISX; FIELD CAMPAIGN. EARLY DESIGN TOP TANKS ON 1430 SQUARE INCH RADIATORS FOR 2007 EMISSIONS COMPLIANT ENGINES CAN CREATE COOLANT PUMP AND/OR EXHAUST GAS RECIRCULATION (EGR) COOLER FAILURES. *PE
The document
No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.
Components
Engine, Exhaust and emissions, Cooling system, EGR valve, Radiator
| KENWORTH C500 | 2006 to 2007 |
|---|---|
| KENWORTH W900 | 2006 to 2007 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.