2009 Kenworth T300 TSBs

appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information.

to water intrusion and corrosion in some vehicles.

THE ODOMETER MAY INACCURATELY RECORD MILEAGE. THE FOG LAMP CIRCUIT MAY NOT WORK WITH THE INSIDE SWITCH. SOME CHASSIS HAVE INACCURATE CHASSIS WEIGHT ON THE DOOR LABEL. *RM

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A SINGLE OCCUPANT SENSOR WAS INSTALLED IN TWO PERSON BENCH SEATS. DEPENDING UPON WHERE A PASSENGER(S) SITS, THE SENSOR MAY INDICATE THERE ARE NO PASSENGERS OR IT WILL INDICATE THERE ARE TWO PASSENGERS. THE SENSOR WILL NOT INDICATE A SINGLE PASSENGER. *PE

ERRONEOUS FAULT CODES MAY DEVELOP IN CHASSIS OR CHECK ENGINE WARNING LIGHT RELATED TO NOX EMISSIONS MEASUREMENT AND AFTERTREATMENT IF IMPROVEMENT FOR THE RECALIBRATION OF ENGINE CONTROL MODULE (ECM) IS LEFT UNCORRECTED. *PE

PACCAR PX-6 AND PX- 8 ENGINE SOFTWARE AND AFTERTREATMENT UPDATES. THE IDENTIFIED CHASSIS REQUIRE A PRODUCT IMPROVEMENT INVOLVING RECALIBRATION OF THE ENGINE CONTROL MODULE (ECM) AND THE AFTERTREATMENT DIESEL EXHAUST FLUID (DEF) CONTROLLER. SOME VEHICLES REPAIRS MAY ALSO INCLUDE REPLACING VARIOUS AFTERTREATMENT SYSTEM COMPONENTS. CSC LETTER HAS BEEN RECEIVED. *PE

(CUMMINS C1009) CERTAIN TRUCKS EQUIPPED WITH PX8 ENGINES, REQUIRE A PRODUCT IMPROVEMENT INVOLVING INSPECTIONS AND POSSIBLE REPLACEMENT OF THE FUEL PUMP HEAD. FAILURE TO PERFORM THIS REPAIR MAY RESULT IN VEHICLES DEVELOPING AN EXTERNAL FUEL LEAK, WHICH MAY CAUSE HARD START COMPLAINT AND POSSIBLE FAULT CODES FOR LOW FUEL PRESSURE. *PE

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THE OIL SLINGER THREADS ON INPUT SHAFTS OF IDENTIFIED 10 SPEED TRANSMISSION WERE MACHINED INCORRECTLY. THIS DEFECT WILL CREATE A SLOW FLUID LEAK AT THE INPUT SHAFT TO TRANSMISSION INTERFACE. CSC LETTER WAS REC'D. *PE

TRANSMISSION DRIVER INSTRUCTIONS MANUAL CAMPAIGN. THE WRONG EATON TRANSMISSION DRIVER INSTRUCTIONS MANUAL MAY HAVE BEEN DELIVERED WITH IDENTIFIED CHASSIS. *PE

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."

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BEADS OF MOISTURE OR POOLING WATER VISIBLE THROUGH THE HEADLIGHT LENSES. INSPECT FOR MISSING HEADLIGHT VENT AND/OR ROCK SHIELD AND REPAIR AS NECESSARY. *PE

Washer pumps may fail to spray due to a clogged filter.

A/C compressor.

INFORMATION ON THE FRONT DRIVE AXLE SPEED WARNING DISPLAY. *RM

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