2012 Kenworth T470 TSBs
14 Technical Service Bulletins across 9 categories
Categories
Electrical
4 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.
KENWORTH: DIAGNOSTICS INDICATE FAILED FUEL LEVEL SENSOR FUNCTION IN REPAIRS AND BEFORE COMPONENT IS REPLACED, DIAL...
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FACE SHOULD BE CLEANED AND FAILURE VERIFIED. ALL KENWORTH MODELS WITH OHM DIAL OR OPEN CARD STYLE FUEL SENDERS. *PE
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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THE FRONT AXLE U BOLTS WERE MANUFACTURED ON CERTAIN T3 AND T4 SERIES TRUCKS WITH INSUFFICIENT TORQUE. *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.
KENWORTH: ON CERTAIN TRUCKS, THE EATON TRANSMISSIONS MAY BE SUSCEPTIBLE TO HAVING WATER INTRUSION WHICH CAN CAUSE THE ECU TO STOP WORKING.
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LOSS OF COMMUNICATION AND PRIMARY FUNCTION MAY REQUIRE REPLACEMENT OF THE ECU'S FAILURE MODE. *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.
Body & Paint
1 bulletinInformation 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.
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.
HVAC & Climate
1 bulletinInformation Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the...
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A/C compressor.
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).
Engine
1 bulletinKENWORTH: INFORMATION REGARDING POSSIBLE CORRUPTION OF ENGINE SETTINGS IF CURRENT VERSION ESA 4.1.0.17 IS USED AND NOT...
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FUNCTION PROPERLY AND A SPECIAL VERSION IS POSSIBLY REQUIRED FOR CHASSIS. MODELS 2012 T270, 370, 470,660, 800 AND W900. *PE