# Service bulletin 43\-020

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: 10038191
- Published by NHTSA: 2011\-06\-09
- Manufacturer's number: 43\-020
- Manufacturer's date: 2011\-02\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE

## NHTSA's summary

PACCAR: THE CHASSIS NEEDS TO HAVE PRODUCTION PARTS INSTALLED AND PRE\-PRODUCTION PARTS REMOVED. \*RM

## 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

- 2009 to 2011 KENWORTH T300
- 2011 KENWORTH T400
- 2009 to 2011 KENWORTH T660
- 2009 to 2011 KENWORTH T700
- 2009 to 2011 KENWORTH T800
- 2009 to 2011 KENWORTH W900

## Recalls for the same vehicles and component

- [09V348000](/recalls/nhtsa/09V348000.md), 2009-09-03: ENGINE AND ENGINE COOLING:ENGINE:DIESEL

## 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.
- [TIB43\-062](/bulletins/10165583.md), 2019-10-04, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Information Only – This bulletin provides information about the California Air Resources Board \(CARB\) Periodic Smoke Inspection Program \(PSIP\) and Heavy Duty Vehicle Inspection Program \(HDVIP\).
- [SB\-E\-049](/bulletins/10043867.md), 2012-05-01, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. 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
- [TIB\-43\-024](/bulletins/10042806.md), 2012-01-11, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. 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](/bulletins/10042805.md), 2012-01-11, Service bulletin: EQUIPMENT:OTHER:LABELS; ENGINE AND ENGINE COOLING:ENGINE. KENWORTH: INFORMATION PERTAINING TO UPDATING THE ENGINE ON CERTAIN TRUCKS FOR NEW PRODUCTIVE ENGINES. EMISSIONS LABEL WITH REQUIRED CLARIFICATION. \*PE
- [TIB\-E\-030](/bulletins/10040394.md), 2011-08-29, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING. PACCAR SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.CAMPAIGN TO REPLACE THE WATER PUMP. \*RM
- [TIB\-03\-041](/bulletins/10040366.md), 2011-08-24, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. 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](/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

JSON: [/v1/bulletins/10038191](/v1/bulletins/10038191)

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