2010 Kenworth T300 technical service bulletins

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

• Sep 11, 2026 Service bulletinKenworth: Dealers should check the chassis list and SIR weekly for VIN changes
• Feb 10, 2021 Service bulletinInformation Only – Windshield washer pumps have a high No Trouble Found rate
• Jun 8, 2020 Service bulletinInformation Only:
• Mar 17, 2020 Service bulletinInformation Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment...
• Mar 3, 2020 Service bulletinInformation Only – Vehicles may have the connector seals on the wheel speed sensor incorrectly installed,...
• Nov 6, 2019 Service bulletinInformation Only:
• Aug 22, 2012 Service bulletinTech Tip concerning Transmission Control Module (TCM) Recalibration for Kenworth and Peterbilt
• Jan 26, 2012 Service bulletinKenworth: the standard production components are replacing the pre-production components.
• Jan 13, 2012 Service bulletinKenworth: erroneous fault codes may develop in chassis or check engine warning light related to nox...
• Nov 21, 2011 Service bulletinKenworth: information in bulletin pertaining to possible engine derate by which the DEF filters are...
• Oct 31, 2011 Service bulletinKenworth: information pertaining to updating the engine on certain trucks for new productive engines
• Sep 1, 2011 Service bulletinPaccar service campaign: information on the front drive axle speed warning display
• Aug 5, 2011 Service bulletinPaccar inc: fire truck seat height specification change
• Aug 5, 2011 Service bulletinPaccar: the fuel sensors might not have a sealant plug which could lead to water intrusion, corrossion,...
• Aug 1, 2011 Service bulletinPaccar: there are cooling modules that may have a loose connection at the charge air cooler mounting
• Aug 1, 2011 Service bulletinPaccar: information on fan hub bearings inspection and warranty extension due to a higher than normal...
• Jul 6, 2011 Service bulletinPaccar: information on premature fan clutch lining wear
• Mar 15, 2011 Service bulletinPaccar service campaign: campaign to replace the water pump
• Feb 22, 2011 Service bulletinPaccar: the chassis need pre-production parts removed and retrofitted with production parts
• Feb 1, 2011 Service bulletinPaccar: the chassis needs to have production parts installed and pre-production parts removed
• Oct 1, 2010 Service bulletinKenworth service campaign: paccar PX-6 and px- 8 engine software and aftertreatment updates
• Oct 1, 2010 Service bulletinKenworth service campaign: door label (gawr, gvwr) replacement campaign
• Sep 23, 2010 Service bulletinKenworth service campaign: the odometer may inaccurately record mileage
• Jul 23, 2010 Service bulletinKenworth truck: bench seat campaign
• Jul 20, 2010 Service bulletinKenworth: fuel