# Service bulletin 43\-12

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: 10025757
- Published by NHTSA: 2008\-09\-05
- Manufacturer's number: 43\-12
- Manufacturer's date: 2008\-10\-16
- Replaces: TIB\-43\-12
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:DIESEL

## NHTSA's summary

KENWORTH SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. KENWORTH \(PACCAR CO\): CLEAN GAS INDUCTION \(CGI\) FLEX PIPE INSPECTIONS. CHASSIS WITH CATERPILLAR 2007 EMISSIONS COMPLIANT ENGINES, C9, C13 OR C15, SHOULD HAVE THE CGI FLEX PIPE INSPECTED FOR DAMAGE. MODEL YEARS UNKNOWN. \*PE UPDATED 1/15/09. MODEL T2000, T660, T800 AND W900; YEARS 2005\-2008. \*PE UPDATED 1/27/09. CSC LETTER WAS RECEIVED. \*8PE

## 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

## Vehicles listed

- KENWORTH KENWORTH
- 2005 KENWORTH T2000
- 2006 to 2008 KENWORTH T2000
- 2005 to 2008 KENWORTH T660
- 2005 KENWORTH T800
- 2006 to 2008 KENWORTH T800
- 2005 KENWORTH W900
- 2006 to 2008 KENWORTH W900

## Recalls for the same vehicles and component

- [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
- [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

## 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
- [TSB\-41\-13](/bulletins/10028327.md), 2009-03-25, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL. KENWORTH TRUCK: AIR INTAKE FOR PRE\-2007 ISM ENGINE IN T800 SHORT HOOD CHASSIS. PREMATURE ENGINE WEAR DUE TO DIRT INGESTION INVOLVING THE 2002\-07 T800 SHORT HOOD \(SH\) MODEL WITH CUMMINS ISM ENGINE. \*PE
- [TIB\-43\-14](/bulletins/10027666.md), 2009-01-29, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL. KENWORTH CHASSIS SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CLEAN GAS INDUCTION \(CGI\) GASKET CAMPAIGN. CSC LETTER WAS RECEIVED. CHASSIS MODELS AFFECTED T2000, T660,T800 AND W900. MODEL YEARS 2005\-08 \*PE
- [TIB\-41\-12](/bulletins/10027664.md), 2009-01-29, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. KENWORTH TRUCKS: THE INLET PIPE CONNECTIONS FOR ISX ENGINES. THE KENWORTH AIR INLET PIPE TO THE ISX TURBO MAY BECOME DETACHED. CHASSIS AFFECTED T2000, T800, AND W900. MODEL YEARS UNKNOWN. \*PE
- [TIB\-44\-17](/bulletins/10027646.md), 2009-01-28, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 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
- [45\-32](/bulletins/10025307.md), 2008-07-28, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. KENWORTH SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. OIL FILL SUPPORT BRACKET CAMPAIGN. AN ASSEMBLY PROCESS MAY HAVE RESULTED IN OMITTING AN OIL TUBE SUPPORT BRACKET. ORIGINAL PUBLICATION 6/11/2008. CSC WAS RECEIVED. \*PE

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