2011 Kenworth T600 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,...
• Dec 18, 2019 Service bulletinInformation Only
• Nov 6, 2019 Service bulletinInformation Only:
• Sep 27, 2019 Service bulletinInformation Only –
• Jul 2, 2012 Service bulletinKenworth: diagnostics indicate failed fuel level sensor function in repairs and before component is...
• Jun 18, 2012 Service bulletinKenworth: due to loss of power and high failure rate, the valves will be replaced in the engine fuel control
• 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
• Jun 17, 2011 Service bulletinPaccar: vehicles were built with missing rear axle camshaft braces