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Service bulletins for the 2010 Kenworth T300

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.

26 on file from NHTSA, as of 2026-10-19.

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By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
P0012026-09-29. 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."
01-0752019-12-04. 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.
SB-E-0492012-05-01. 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-43-0242012-01-11. 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-45-0422012-01-11. 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-0302011-08-29. 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-03-0412011-08-24. 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-42-482011-08-16. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. PACCAR: INFORMATION ON PREMATURE FAN CLUTCH LINING WEAR. *RM
TIB-42-0432011-08-16. 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-41-0142011-08-16. 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-43-0192011-08-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. PACCAR: THE CHASSIS NEED PRE-PRODUCTION PARTS REMOVED AND RETROFITTED WITH PRODUCTION PARTS. *RM
43-0202011-06-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. PACCAR: THE CHASSIS NEEDS TO HAVE PRODUCTION PARTS INSTALLED AND PRE-PRODUCTION PARTS REMOVED. *RM
TIB-E-0102011-01-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. KENWORTH SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. PACCAR PX-6 AND PX- 8 ENGINE SOFTWARE AND AFTERTREATMENT UPDATES. THE IDENTIFIED CHASSIS REQUIRE A PRODUCT IMPROVEMENT INVOLVING RECALIBRATION OF THE ENGINE CONTROL MODULE (ECM) AND THE AFTERTREATMENT DIESEL EXHAUST FLUID (DEF) CONTROLLER. SOME VEHICLES REPAIRS MAY ALSO INCLUDE REPLACING VARIOUS AFTERTREATMENT SYSTEM COMPONENTS. CSC LETTER HAS BEEN RECEIVED. *PE
TIB-E0022010-09-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. KENWORTH: FUEL. PX8 ENGINE FUEL PUMP HEAD CAMPAIGN. (CUMMINS C1009) CERTAIN TRUCKS EQUIPPED WITH PX8 ENGINES, REQUIRE A PRODUCT IMPROVEMENT INVOLVING INSPECTIONS AND POSSIBLE REPLACEMENT OF THE FUEL PUMP HEAD. FAILURE TO PERFORM THIS REPAIR MAY RESULT IN VEHICLES DEVELOPING AN EXTERNAL FUEL LEAK, WHICH MAY CAUSE HARD START COMPLAINT AND POSSIBLE FAULT CODES FOR LOW FUEL PRESSURE. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.