# Service bulletin TIB\-44\-17 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: 10027646 - Published by NHTSA: 2009\-01\-28 - Manufacturer's number: TIB\-44\-17 - Manufacturer's date: 2008\-10\-23 - NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL ## NHTSA's summary KENWORTH TRUCKS: REDUCED ENGINE POWER FROM FUEL STARVATION. ANY MODEL KENWORTH EQUIPPED WITH THE 2007 EMISSIONS COMPLIANT ISX ENGINE AND OPTIONAL DAVCO 382 FUEL FILTER, BUILT PRIOR TO 8/11/08, \*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 ## Vehicles listed - 2008 KENWORTH 953 - 1994 to 1995 KENWORTH AEROCAB - 1994 to 2005 KENWORTH C500 - 2006 to 2008 KENWORTH C500 - 2008 KENWORTH C548CH - 1994 to 1996 KENWORTH CONVENTIONAL - 1999 KENWORTH CONVENTIONAL - 2003 KENWORTH CONVENTIONAL - 2000 KENWORTH CONVENTIONAL SERIES - 1996 to 2001 KENWORTH K100 - 2004 KENWORTH K100 - 2002 to 2003 KENWORTH K100E - 2000 to 2001 KENWORTH K300 - 2008 KENWORTH K500 - 1994 to 2001 KENWORTH KENWORTH - 2003 KENWORTH KENWORTH - 2005 to 2007 KENWORTH MB 55 - 2007 to 2008 KENWORTH T170 - 1995 KENWORTH T2000 - 1996 to 2005 KENWORTH T2000 - 2006 to 2008 KENWORTH T2000 - 2007 to 2008 KENWORTH T270 - 1996 to 2008 KENWORTH T300 - 2007 to 2008 KENWORTH T370 - 1995 to 1997 KENWORTH T400 - 1995 KENWORTH T450 - 1995 to 2005 KENWORTH T600 - 2006 to 2008 KENWORTH T600 - 1994 to 1996 KENWORTH T600B - 2004 to 2008 KENWORTH T660 - 1994 to 2005 KENWORTH T800 - 2006 to 2008 KENWORTH T800 - 1995 to 1996 KENWORTH T800B - 2000 KENWORTH T800B - 2002 KENWORTH T900 - 1994 to 2005 KENWORTH W900 - 2006 to 2008 KENWORTH W900 - 1995 to 1997 KENWORTH W900B - 1994 KENWORTH W900L - 1997 KENWORTH W900L - 1999 KENWORTH W900L ## Recalls for the same vehicles and component - [2009256](/recalls/tc/2009256.md), 2009-09-08: Emissions - [09V348000](/recalls/nhtsa/09V348000.md), 2009-09-03: ENGINE AND ENGINE COOLING:ENGINE:DIESEL - [2009247](/recalls/tc/2009247.md), 2009-08-19: Engine - [07V279000](/recalls/nhtsa/07V279000.md), 2007-06-28: ENGINE AND ENGINE COOLING - [2007204](/recalls/tc/2007204.md), 2007-06-20: Engine - [2006321](/recalls/tc/2006321.md), 2006-11-22: Engine - [2005402](/recalls/tc/2005402.md), 2005-12-22: Engine - [05V570000](/recalls/nhtsa/05V570000.md), 2005-12-22: ENGINE AND ENGINE COOLING - [05V084000](/recalls/nhtsa/05V084000.md), 2005-03-04: ENGINE AND ENGINE COOLING - [2004296](/recalls/tc/2004296.md), 2004-08-23: Engine ## Other bulletins for the same vehicles and component - [P001](/bulletins/11037541.md), 2026-09-29, Service bulletin: ENGINE. "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](/bulletins/10168703.md), 2019-12-04, Service bulletin: ENGINE AND ENGINE COOLING. Information Only: This bulletin provides guidance for repairing an air\-conditioning system after internal failure of the A/C compressor. - [TIB\-E\-055](/bulletins/10045240.md), 2012-08-22, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. KENWORTH: OIL COLLECTION AT CAC INTAKE PIPE IS CAUSED BY AN IMBALANCE IN TURBOCHARGER PRESSURES. MODELS T660, T800, T700, AND W900. \*PE - [TIB\-E011](/bulletins/10040181.md), 2011-08-16, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. PACCAR: ENGINEERING STANDARDS HAVE CHANGED AND THERE ARE NOW ENGINES WITH HEAT TREATED BOLTS. \*RM - [TIB\-E\-009](/bulletins/10040180.md), 2011-08-16, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL. PACCAR: A SOFTWARE UPDATE IS CAUSING THE CHECK ENGINE LIGHT TO COME ON. \*RM - [TIB\-42\-48](/bulletins/10040167.md), 2011-08-16, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. PACCAR: INFORMATION ON PREMATURE FAN CLUTCH LINING WEAR. \*RM - [TIB\-42\-043](/bulletins/10040166.md), 2011-08-16, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. PACCAR: INFORMATION ON FAN HUB BEARINGS INSPECTION AND WARRANTY EXTENSION DUE TO A HIGHER THAN NORMAL FAILURE RATE. \*RM - [TIB\-41\-014](/bulletins/10040165.md), 2011-08-16, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. PACCAR: THERE ARE COOLING MODULES THAT MAY HAVE A LOOSE CONNECTION AT THE CHARGE AIR COOLER MOUNTING. \*RM - [TIB\-45\-36](/bulletins/10030410.md), 2009-09-29, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL. KENWORTH SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THIS IS A FIELD CAMPAIGN TO MODIFY THE TURBOCHARGER OIL DRAIN PLUMBING. MODEL T300, MY 12/13/06\-07/09/08. CSC LETTER REC'D. \*PE - [TIB\-45\-35](/bulletins/10028346.md), 2009-03-26, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL. KENWORTH TRUCKS: PX\-8 AND CUMMINS ISL ENGINE CALIBRATION CAMPAIGN C0844. UPGRADE ENGINE CONTROL SOFTWARE FOR PACCAR PX 8 AND CUMMINS ISL ENGINES TO ENHANCE PERFORMANCE AND RELIABILITY. \*PE JSON: [/v1/bulletins/10027646](/v1/bulletins/10027646) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20TIB-44-17&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10027646&vehicle=Service%20bulletin%20TIB-44-17)