2013 Kenworth T800 TSBs
22 Technical Service Bulletins across 11 categories
Categories
Engine
6 bulletinsKenworth is providing guidance for PACCAR MX Engine Composite Oil Pan leak troubleshooting to avoid over-repairs and to...
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provide warrantable repair guidance. Oil leaks, if not repaired, can lead to severe engine damage.
Eaton ultrashift plus excessive engine over-speed lamp on.
FIX-AS-FAIL - ENGINE OVER-SPEED LAMP COULD COME ON AFTER A DOWNSHIFT WITH THE EATON ULTRASHIFT PLUS TRANSMISSION.
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THIS DOES NOT AFFECT THE FUNCTION OF THE VEHICLE.
KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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DUE TO DEVELOPING BORATE SALT CRYSTALS FROM A BATCH OF DOT4 FLUID, CAUSING A BLOCKAGE IN CLUTCH MASTER CYLINDER AND NOT ABLE TO COMPRESS CLUTCH OR POOR PEDAL FEEL. MODEL 2013 T680, 880. *PE UPDATED 1/6/15. *PE
KENWORTH: INFORMATION CONCERNING THE ALLISON TRANSMISSION WHICH HAS THE INCORRECT TORQUE CONVERTER FOR THE APPLICATION.
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APPLIED VEHICLES 26 T800S, W900S, AND C500S MANUFACTURED BETWEEN 1/25/2013 AND 7/15/2013 WITH ISX ENGINE AND ALLISON AUTOMATED TRANSMISSION. *JS
MX RC5-RC14 SOFTWARE UPDATE CAMPAIGN.
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SOFTWARE UPDATES ARE SAID TO BENEFIT THE ENGINES IN RC5 AND RC14 KENWORTH ENGINES. PACCAR/KENWORTH. *KB
Electrical
3 bulletinsInformation Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the...
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appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information.
Information Only Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead...
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to water intrusion and corrosion in some vehicles.
Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
Other
2 bulletins"Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes.
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2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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THERE IS AN INCORRECT FAMILY NAME ON GREENHOUSE GAS COMPLIANCE LABEL AND NEEDS TO BE REPLACED. MODEL T370, T440, T660, T800. *PE
Body & Paint
2 bulletinsInformation Only Windshield washer pumps have a high No Trouble Found rate.
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Washer pumps may fail to spray due to a clogged filter.
KENWORTH: PROCEDURAL INFORMATION PROVIDED REGARDING THE REPLACEMENT OF HOOD WHERE THERE ARE DAMAGED HOOD POCKETS.
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MODEL T800. *PE
Transmission
2 bulletinsFix-As-Fail - Prior versions of Eaton Endurant transmission software may be prone to setting Linear Clutch Actuator...
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(LCA) fault codes leading to possible LCA hardware replacement.
Tech Tip concerning Transmission Control Module (TCM) Recalibration for Kenworth
HVAC & Climate
2 bulletinsInformation Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the...
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A/C compressor.
KENWORTH: SOME TRUCKS SLEEPER HEATERS ARE EXPERIENCING A LEAKAGE FROM SLEEPER HEATER CORE O RING COOLANT.
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MODEL 2012-13 T680, T880. *PE
Brakes
1 bulletinCertain C500/T440/T470/T660/T680/T800/T880/W900 chassis may have air tank reservoirs that do not meet air volume...
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requirements per FMVSS/CMVSS 121 Air Brake Systems. This bulletin will be updated when repair parts and procedures are available.
Software & Calibration
1 bulletinInformation Only - Vehicles built with NAMUX software from 2013 to present may experience accuracy issues with the tachometer.
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The issue can be temporarily resolved using any one of the included procedures.
Pre-Delivery & Maintenance
1 bulletinInformation Only This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke...
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Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP).
Lighting
1 bulletinKENWORTH: SOME TRUCKS FAILED TO MEET COMPANY STANDARDS FOR AIR VOLUME LIFT AXLE AND THE COMPANY WILL INCREASE AIR...
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VOLUME FOR WORTHWHILE IMPROVEMENT TO EXCEED GOVERNMENT FMVSS 121. MODEL T800, W900. *PE
Fuel System
1 bulletinKENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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LINE FATIGUE FAILURE MAY BE DUE TO EXCESSIVE VIBRATIONS OF HIGH PRESSURE FUEL LINES AND DIESEL FUEL LEAK AND MALFUNCTION INDICATOR LAMP. *PE