2012 Kenworth T800 technical service bulletins
34 technical service bulletins and manufacturer communications cover the 2012 Kenworth T800.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Due to supplier constraints, an authorized aftermarket surge tank has been made available.
- Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes
- Update to existing Bulletin
- Certain C500/T440/T470/T660/T680/T800/T880/W900 chassis may have air tank reservoirs that do not meet air...
- Information Only – Windshield washer pumps have a high No Trouble Found rate
- Fix-As-Fail
- Information Only:
- 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 - engine over-speed lamp could come on after a downshift with the eaton ultrashift plus...
- Eaton ultrashift plus excessive engine over-speed lamp on.
- Kenworth: some trucks sleeper heaters are experiencing a leakage from sleeper heater core o ring coolant
- Kenworth: some trucks failed to meet company standards for air volume lift axle and the company will...
- Kenworth: procedural information provided regarding the replacement of hood where there are damaged hood...
- Mx RC5-RC14 software update campaign
- Kenworth: on some chassis, fuel line routing clamp was omitted and corrective action is required
- Kenworth: specific product improvement elements are described in bulletin for chassis benefiting from...
- Kenworth: transmission does not automatically upshift when high idle speed of engine is exceeded due to...
- Kenworth: correction on listed chassis, after neway suspension control arm pivot joint bolt torque was...
- Kenworth: information regarding possible corruption of engine settings if current version esa 4.1.0.17 is...
- Kenworth: oil collection at cac intake pipe is caused by an imbalance in turbocharger pressures
- Kenworth: diagnostics indicate failed fuel level sensor function in repairs and before component is...
- Kenworth: line fatigue failure may be due to excessive vibrations of high pressure fuel lines and diesel...
- Kenworth (paccar): engine software update required for installation of hc doser shields and/or EGR...
- Kenworth: the chassis may not have the proper assembly controls in place for draglink connections torque
- Kenworth: software correction and fan clutch linings replacement may have been damaged due to oe programming.
- Kenworth: information for aftertreatment, pmci or related issues, caused by corrosion for water in fuel...
- Kenworth: on certain trucks, the eaton transmissions may be susceptible to having water intrusion which...
- Paccar service campaign: some kenworth vehicles are missing an emissions compliance label
- Paccar: engineering standards have changed and there are now engines with heat treated bolts
- Paccar: a software update is causing the check engine light to come on
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