2007 Kenworth W900 TSBs
27 Technical Service Bulletins across 11 categories
Categories
Engine
11 bulletinsKENWORTH: OIL COLLECTION AT CAC INTAKE PIPE IS CAUSED BY AN IMBALANCE IN TURBOCHARGER PRESSURES.
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MODELS T660, T800, T700, AND W900. *PE
KENWORTH: REGARDING UPDATE INFORMATION FOR ENGINE BRAKE AND THROTTLE PEDAL POSITION RETURN RANGE, WHICH WAS TOO NARROW...
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TO ENGAGE AND ENGINE BRAKE WAS NOT ENGAGING. *PE
PACCAR SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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THERE HAVE BEEN UPDATES TO THE ENGINE SOFTWARE. *RM
PACCAR: ENGINEERING STANDARDS HAVE CHANGED AND THERE ARE NOW ENGINES WITH HEAT TREATED BOLTS.
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*RM
PACCAR: A SOFTWARE UPDATE IS CAUSING THE CHECK ENGINE LIGHT TO COME ON.
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*RM
KENWORTH SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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TOP TANK REPLACEMENT FOR C500 AND W900 WITH ISX; FIELD CAMPAIGN. EARLY DESIGN TOP TANKS ON 1430 SQUARE INCH RADIATORS FOR 2007 EMISSIONS COMPLIANT ENGINES CAN CREATE COOLANT PUMP AND/OR EXHAUST GAS RECIRCULATION (EGR) COOLER FAILURES. *PE
KENWORTH TRUCKS: PX-8 AND CUMMINS ISL ENGINE CALIBRATION CAMPAIGN C0844.
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UPGRADE ENGINE CONTROL SOFTWARE FOR PACCAR PX 8 AND CUMMINS ISL ENGINES TO ENHANCE PERFORMANCE AND RELIABILITY. *PE
KENWORTH TRUCKS: THE INLET PIPE CONNECTIONS FOR ISX ENGINES.
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THE KENWORTH AIR INLET PIPE TO THE ISX TURBO MAY BECOME DETACHED. CHASSIS AFFECTED T2000, T800, AND W900. MODEL YEARS UNKNOWN. *PE
KENWORTH TRUCKS: REDUCED ENGINE POWER FROM FUEL STARVATION.
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ANY MODEL KENWORTH EQUIPPED WITH THE 2007 EMISSIONS COMPLIANT ISX ENGINE AND OPTIONAL DAVCO 382 FUEL FILTER, BUILT PRIOR TO 8/11/08, *PE
KENWORTH (PACCAR): THE VERTICAL TAILPIPE(S) DIFFUSER TURNS.
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AFFECTED: ALL T2000S, T660S, T800S AND W900S CHASSIS BUILT FROM 04/25/08 TO 02/11/08 WITH 2007 ENGINES. *PE
KENWORTH SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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KENWORTH (PACCAR CO): CLEAN GAS INDUCTION (CGI) FLEX PIPE INSPECTIONS. CHASSIS WITH CATERPILLAR 2007 EMISSIONS COMPLIANT ENGINES, C9, C13 OR C15, SHOULD HAVE THE CGI FLEX PIPE INSPECTED FOR DAMAGE. MODEL YEARS UNKNOWN. *PE UPDATED 1/15/09. MODEL T2000, T660, T800 AND W900; YEARS 2005-2008. *PE UPDATED 1/27/09. CSC LETTER WAS RECEIVED. *8PE
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 - IN-CAB BATTERY BOX FLOOR BRACKET CAMPAIGN -- ADDITIONAL RETAINING NUTS & WASHERS ARE REQUIRED ON THE BATTERY BOX SECURING PLATES.
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2007 MODEL YEAR T800S & W900S BUILT BETWEEN 2/19/07 AND 4/30/07. *NJ
Other
2 bulletinsDue 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.
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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."
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 - WINDSHIELD GASKET AND URETHANE ANALYSIS.
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MODELS T600, T800, AND W900. *NJ
Brakes
2 bulletinsKENWORTH TRUCKS SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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BENDIX ACOM REPORT CAMPAIGN. KENWORTH DOES NOT HAVE THE ABS ECU ACOM REPORT FOR CHASSIS LISTED. THE ABS ECU ACOM REPORT IS NECESSARY TO ENSURE THE PROPER ECU IS INSTALLED. CSC LETTER WAS RECEIVED. *PE
WINDSHIELD REPAIRS ON CONVENTIONAL CABS.
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ALL C500'S, T300'S, T600'S, T800'S AND W900'S EQUIPPED WITH CURVED GLASS. MODEL YEAR UNKNOWN. *NJ
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.
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
Transmission
1 bulletinPACCAR: INFORMATION ON PREMATURE FAN CLUTCH LINING WEAR.
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*RM
Suspension
1 bulletinPACCAR: INFORMATION ON FAN HUB BEARINGS INSPECTION AND WARRANTY EXTENSION DUE TO A HIGHER THAN NORMAL FAILURE RATE.
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*RM
Pre-Delivery & Maintenance
1 bulletinKENWORTH CHASSIS SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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CLEAN GAS INDUCTION (CGI) GASKET CAMPAIGN. CSC LETTER WAS RECEIVED. CHASSIS MODELS AFFECTED T2000, T660,T800 AND W900. MODEL YEARS 2005-08 *PE