Bulletins

BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING
TIB-E-02003/28/201110040178Ready08/16/2011
TIB-E-02003/28/201110040178Paccar: a coolant sieve must be removed at the first engine oil change. *rm08/16/2011
ENGINE AND ENGINE COOLING - COOLING SYSTEM
TIB-E-03306/07/201110040386Paccar service campaign: see document search button for owner letter. there may have been improper torque to the engine coolant filter which could lead to leaking and engine overheating. *rm08/29/2011
TIB-E-03306/07/201110040386Ready08/29/2011
ENGINE AND ENGINE COOLING - COOLING SYSTEM - FAN
TIB-42-4807/06/201110040167Paccar: information on premature fan clutch lining wear. *rm08/16/2011
TIB-42-04308/01/201110040166Ready08/16/2011
TIB-42-4807/06/201110040167Ready08/16/2011
TIB-42-04308/01/201110040166Paccar: information on fan hub bearings inspection and warranty extension due to a higher than normal failure rate. *rm08/16/2011
ENGINE AND ENGINE COOLING - COOLING SYSTEM - RADIATOR ASSEMBLY
TIB-42-4909/09/201110042756Kenworth: certain model trucks will have an incomplete deaeration when radiator is drained and then refilled due to an improper coolant line routing. *pe01/09/2012
ENGINE AND ENGINE COOLING - ENGINE
TIB-E-05001/23/201210043743Kenworth: engine control unit (ecu), identified as pmci in engine rapido, should have a protective shield for software updates and the hc doser fitting installed for after aftertreatment control unit. *pe04/24/2012
TIB-34-04101/26/201210043723Kenworth: information for aftertreatment, pmci or related issues, caused by corrosion for water in fuel (wif) sensor, at engine harness j175 connector. *pe04/24/2012
TIB-43-02411/21/201110042806Kenworth: information in bulletin pertaining to possible engine derate by which the def filters are clogged and/or contaminated def is identified. *pe01/11/2012
TIB-45-04210/31/201110042805Kenworth: information pertaining to updating the engine on certain trucks for new productive engines. emissions label with required clarification. *pe01/11/2012
TIB-E03908/05/201110041352Paccar: software update information. *rm09/27/2011
TIB-E03908/05/201110041352Ready09/27/2011
TIB-03-04109/23/201010040366Kenworth 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. *08/24/2011
TIB-03-04109/23/201010040366Ready08/24/2011
43-02002/01/201110038191Ready06/09/2011
43-02002/01/201110038191Paccar: the chassis needs to have production parts installed and pre-production parts removed. *rm06/09/2011
ENGINE AND ENGINE COOLING - ENGINE - DIESEL
TIB-E-02301/27/201110040384Paccar service campaign: see document search button for owner letter. there have been updates to the engine software. *rm08/29/2011
TIB-E-02301/27/201110040384Ready08/29/2011
TIB-E-02301/27/201110040384Paccar service campaign: see document search button for owner letter. there have been updates to the engine. *rm08/29/2011
TIB-E-02903/24/201110040244Ready08/17/2011
TIB-E-02903/24/201110040244Paccar: there may be false torque readings and a potential for loosening and/or leaks of the doser supply line swivel nut. this is due to it not being lubricate prior to assembly. *rm08/17/2011
TIB-E-00912/02/201010040180Ready08/16/2011
TIB-E-00912/02/201010040180Paccar: a software update is causing the check engine light to come on. *rm08/16/2011
TIB-E01210/28/201010035844Kenworth truck: paccar mx engine boost pressure sensor wire chafing. chassis were built with wires for the boost pressure sensor that do not meet quality standards with regard to chafing, rubbing or resistance to wear. rubbing and chafin03/04/2011
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE - TURBO-CHARGER
TIB-E-05507/09/201210045240Kenworth: oil collection at cac intake pipe is caused by an imbalance in turbocharger pressures. models t660, t800, t700, and w900. *pe08/22/2012
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM
TIB-43-2210/31/201110043166Kenworth: see document search button for owner letter. bulletin refers to the dual exhaust rear nox sensor moisture protection campaign. to divert moisture from the rear (scr outlet) nox sensor there is a new design for exhaust element.02/28/2012
TIB-43-2311/08/201110042784Kenworth: information regarding rear nox sensor repairs should include system updates for chassis operating in conditions which result in moisture related sensor failures with improved moisture protection exhaust design for rear nox sens01/11/2012
TIB-E01112/15/201010040181Paccar: engineering standards have changed and there are now engines with heat treated bolts. *rm08/16/2011
TIB-E01112/15/201010040181Ready08/16/2011
TIB-43-01902/22/201110039626Ready08/05/2011
TIB-43-01902/22/201110039626Paccar: the chassis need pre-production parts removed and retrofitted with production parts. *rm08/05/2011
TIB-43-01710/28/201010035125Kenworth (paccar): campaign to inspect for missing exhaust gaskets. chassis listed may have been manufactured without an upper exhaust pipe gasket. equipped with paccar mx engines only. *pe02/09/2011
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL
TIB-E-03205/24/201110039248Paccar service campaign: see document search button for owner letter. some kenworth vehicles are missing an emissions compliance label. *rm07/13/2011
TIB-E-03205/24/201110039248Ready07/13/2011

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