2012 Kenworth T700 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
• Dec 18, 2020 Service bulletinFix-As-Fail
• 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 –
• Sep 27, 2017 Service bulletinFix-As-Fail: Repair for horizontal exhaust diffuser configurations with broken brackets or cracked diffuser.
• Jul 28, 2016 Service bulletinFix-as-fail - engine over-speed lamp could come on after a downshift with the eaton ultrashift plus...
• Jul 28, 2016 Service bulletinEaton ultrashift plus excessive engine over-speed lamp on.
• Feb 4, 2013 Service bulletinMx RC5-RC14 software update campaign
• Nov 16, 2012 Service bulletinKenworth: truck chassis manufactured with air compressor suction hose support clip and information is...
• Nov 9, 2012 Service bulletinKenworth: specific product improvement elements are described in bulletin for chassis benefiting from...
• Nov 6, 2012 Service bulletinKenworth: transmission does not automatically upshift when high idle speed of engine is exceeded due to...
• Sep 14, 2012 Service bulletinKenworth: information regarding possible corruption of engine settings if current version esa 4.1.0.17 is...
• Jul 9, 2012 Service bulletinKenworth: oil collection at cac intake pipe is caused by an imbalance in turbocharger pressures
• Jul 2, 2012 Service bulletinKenworth: diagnostics indicate failed fuel level sensor function in repairs and before component is...
• Jun 21, 2012 Service bulletinKenworth: line fatigue failure may be due to excessive vibrations of high pressure fuel lines and diesel...
• May 17, 2012 Service bulletinKenworth (paccar): engine software update required for installation of hc doser shields and/or EGR...
• Mar 26, 2012 Service bulletinKenworth: software correction and fan clutch linings replacement may have been damaged due to oe programming.
• Sep 12, 2011 Service bulletinKenworth: on certain trucks, the eaton transmissions may be susceptible to having water intrusion which...
• May 24, 2011 Service bulletinPaccar service campaign: some kenworth vehicles are missing an emissions compliance label
• Dec 15, 2010 Service bulletinPaccar: engineering standards have changed and there are now engines with heat treated bolts
• Dec 2, 2010 Service bulletinPaccar: a software update is causing the check engine light to come on