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NHTSA Campaign 08V128000

PARKING BRAKE:CONVENTIONAL:AIR

Issued by PACCAR INCORPORATED · Reported Mar 21, 2008 · 1,043 vehicles affected

What's wrong

PACCAR IS RECALLING 1,043 MY 2008-2009 KENWORTH C500, T2000,T660, T800 AND W900 TRUCKS EQUIPPED WITH BENDIX MV-3 DASH CONTROL VALVES. THE MOLDED VALVE BODY HAS AN INCORRECT CORE PIN IN THE INJECTION MOLD CAUSING THE VALVE BODY TO BE OVERSIZED IN THE DOUBLE CHECK VALVE AREA. THIS CONDITION CAN ALLOW THE RUBBER DOUBLE CHECK VALVE TO BECOME LODGED IN THE BODY OPENING UNDER CERTAIN CIRCUMSTANCES.

Consequence

IF THE DOUBLE CHECK VALVE BECOMES LODGED, IN THE EVENT OF A PRIMARY RESERVOIR FAILURE, AIR PRESSURE CAN LEAK PAST THE LODGED DOUBLE CHECK VALVE THEREBY DEPLETING THE SECONDARY RESERVOIR, CAUSING REDUCED ABILITY FOR MODULATING THE SERVICE EMERGENCY BRAKES. IN SUCH AN EVENT, THE OPERATOR SHOULD OBSERVE AN AIR LEAK, INDICATIONS OF LOW AIR PRESSURE VIA THE PRIMARY AND SECONDARY AIR GAUGES, AND AUDIBLE AND VISUAL LOW AIR PRESSURE WARNING ALARMS. A VEHICLE CRASH IS POSSIBLE IF THESE WARNINGS ARE NOT HEEDED.

Remedy

DEALERS WILL REPLACE THE BENDIX MV-3 DASH CONTROL VALVES FREE OF CHARGE. THE RECALL BEGAN ON APRIL 14, 2008. OWNERS MAY CONTACT KENWORTH AT 1-425-828-4196.

Vehicles affected by this recall

Make Model Year Units
KENWORTH C500 2008 1,043
KENWORTH C500 2009 1,043
KENWORTH T2000 2008 1,043
KENWORTH T2000 2009 1,043
KENWORTH T660 2008 1,043
KENWORTH T660 2009 1,043
KENWORTH T800 2008 1,043
KENWORTH T800 2009 1,043
KENWORTH W900 2008 1,043
KENWORTH W900 2009 1,043
PETERBILT 330 2009 1,043
PETERBILT 335 2009 1,043
PETERBILT 340 2009 1,043
PETERBILT 365 2009 1,043
PETERBILT 367 2009 1,043
PETERBILT 384 2009 1,043
PETERBILT 386 2009 1,043
PETERBILT 388 2009 1,043
PETERBILT 389 2009 1,043
PETERBILT 389K 2009 1,043

Source: NHTSA Campaign 08V128000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.