2015 Kenworth T660 technical service bulletins
22 technical service bulletins and manufacturer communications cover the 2015 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
- Certain C500/T440/T470/T660/T680/T800/T880/W900 chassis may have air tank reservoirs that do not meet air...
- Kenworth is providing guidance for PACCAR MX Engine Composite Oil Pan leak troubleshooting to avoid...
- Emissions Recall
- 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: Vehicles built 11/30/15 to 7/18/16 may display an error message in the Service Advised...
- Non-Safety Campaign
- Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.
- 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.
- Fix-as-requested - nav+ hd software update for random reboot fix and MP3 features enabled.
- Nav+HD MP3 reboot update ane features enable.
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