2017 Kenworth T660 technical service bulletins
24 technical service bulletins and manufacturer communications cover the 2017 Kenworth T660.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes
- CARB Chassis Update
- Safety recall
- Certain C500/T440/T470/T660/T680/T800/T880/W900 chassis may have air tank reservoirs that do not meet air...
- Certain chassis with Engine Model Year 2016-2021 PACCAR MX-11/MX-13, or EPA13 and EPA21 Cummins...
- Info Only
- Kenworth is providing guidance for PACCAR MX Engine Composite Oil Pan leak troubleshooting to avoid...
- Fix-As-Fail – Due to undersupply issues, only a limited supply of Diesel Exhaust Fluid (DEF) sensors are...
- Information Only – Windshield washer pumps have a high No Trouble Found rate
- Fix-As-Fail
- Fix-As-Fail
- Information Only:
- DEF tank covers may become loose and potentially crack on vehicles built before October 2019 with DEF tank...
- Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment...
- Information Only – Vehicles may have the connector seals on the wheel speed sensor incorrectly installed,...
- Information Only
- Information Only:
- Information Only â
- Fix-As-Fail -Â Composite fittings used in the cooling system may crack, resulting in coolant leaks
- Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.
- Campaign ? The lower elbow of the exhaust system does not have a drain hole, allowing water to collect in...
- Fix-as-fail - engine over-speed lamp could come on after a downshift with the eaton ultrashift plus...
- Eaton ultrashift plus excessive engine over-speed lamp on.
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