# Service bulletin TIB\-45\-34

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: 10028330
- Published by NHTSA: 2009\-03\-25
- Manufacturer's number: TIB\-45\-34
- Manufacturer's date: 2008\-11\-05
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:DIESEL

## NHTSA's summary

KENWORTH TRUCK: PX 6 ENGINE CALIBRATION. PACCAR CAMPAIGN C0836. TO UPGRADE THE ENGINE CONTROL SOFTWARE FOR THE PACCAR PX 6 ENGINE TO ENHANCE PERFORMANCE AND RELIABILITY.

## 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

- 2007 to 2008 KENWORTH T300

## Recalls for the same vehicles and component

- [09V348000](/recalls/nhtsa/09V348000.md), 2009-09-03: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- [2006321](/recalls/tc/2006321.md), 2006-11-22: 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\-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
- [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
- [41\-9](/bulletins/10026545.md), 2008-11-08, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL. KENWORTH: THE ORIGINAL PUBLICATION IDENTIFIED CHASSIS WITH PX\-8 ENGINES ONLY. PX\-8 AND ISC ENGINES\-ENGINE WARNING LIGHT ON. \*PE
- [41\-10](/bulletins/10025309.md), 2008-07-28, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. RACOR HEAVY DUTY AIR INTAKE FILTER CAMPAIGN. 201 T300S ORDERED WITH SALES CODE 1081300 AND BUILT BETWEEN 01/02/06\-12/03/07. \*PE

JSON: [/v1/bulletins/10028330](/v1/bulletins/10028330)

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