2010 Kenworth T270 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,...
• Feb 20, 2020 Service bulletinFix-As-Fail: The cruise control may be inoperative after installing CECU software version P30-1030-118 if...
• Nov 6, 2019 Service bulletinInformation Only:
• Aug 24, 2012 Service bulletinKenworth: some trucks have mismatch of engine calibration software and allison hardware resulting in...
• 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
• 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
• Feb 18, 2011 Service bulletinPaccar: the chassis need pre-production parts removed and retrofitted with production parts