Service bulletin SB-E-049
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 | 10043867 |
| Published by NHTSA | 2012-05-01 |
| Manufacturer's number | SB-E-049 |
| Manufacturer's date | 2012-01-13 |
| NHTSA component | ENGINE AND ENGINE COOLING:ENGINE |
NHTSA's summary
KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ERRONEOUS FAULT CODES MAY DEVELOP IN CHASSIS OR CHECK ENGINE WARNING LIGHT RELATED TO NOX EMISSIONS MEASUREMENT AND AFTERTREATMENT IF IMPROVEMENT FOR THE RECALIBRATION OF ENGINE CONTROL MODULE (ECM) IS LEFT UNCORRECTED. *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
| KENWORTH T300 | 2009, 2010, 2011 |
|---|---|
| KENWORTH T470 | 2009 to 2011 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 09V348000 | 2009-09-03. ENGINE AND ENGINE COOLING:ENGINE:DIESEL |
|---|
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| P001 | 2026-09-29. Service bulletin. "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list." |
|---|---|
| 01-075 | 2019-12-04. Service bulletin. Information Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the A/C compressor. |
| TIB43-062 | 2019-10-04. Service bulletin. Information Only – This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP). |
| TIB-43-024 | 2012-01-11. Service bulletin. KENWORTH: INFORMATION IN BULLETIN PERTAINING TO POSSIBLE ENGINE DERATE BY WHICH THE DEF FILTERS ARE CLOGGED AND/OR CONTAMINATED DEF IS IDENTIFIED. *PE |
| TIB-45-042 | 2012-01-11. Service bulletin. KENWORTH: INFORMATION PERTAINING TO UPDATING THE ENGINE ON CERTAIN TRUCKS FOR NEW PRODUCTIVE ENGINES. EMISSIONS LABEL WITH REQUIRED CLARIFICATION. *PE |
| TIB-E-030 | 2011-08-29. Service bulletin. PACCAR SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.CAMPAIGN TO REPLACE THE WATER PUMP. *RM |
| TIB-03-041 | 2011-08-24. Service bulletin. KENWORTH SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE ODOMETER MAY INACCURATELY RECORD MILEAGE. THE FOG LAMP CIRCUIT MAY NOT WORK WITH THE INSIDE SWITCH. SOME CHASSIS HAVE INACCURATE CHASSIS WEIGHT ON THE DOOR LABEL. *RM |
| TIB-42-48 | 2011-08-16. Service bulletin. PACCAR: INFORMATION ON PREMATURE FAN CLUTCH LINING WEAR. *RM |
| TIB-42-043 | 2011-08-16. Service bulletin. PACCAR: INFORMATION ON FAN HUB BEARINGS INSPECTION AND WARRANTY EXTENSION DUE TO A HIGHER THAN NORMAL FAILURE RATE. *RM |
| TIB-41-014 | 2011-08-16. Service bulletin. PACCAR: THERE ARE COOLING MODULES THAT MAY HAVE A LOOSE CONNECTION AT THE CHARGE AIR COOLER MOUNTING. *RM |