STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM
ON CERTAIN TRUCKS EQUIPPED WITH DANA SPICER INTEGRAL KNUCKLE AND STEER ARM ASSEMBLIES, THE STEER AXLE ASSEMBLIES MAY HAVE A LONGITUDINAL CRACK IN THE STEER ARM.
Remedy: DEALERS WILL INSPECT AND REPLACE THE KNUCKLE AND STEER ARM ASSEMBLIES. OWNER NOTIFICATION BEGAN JANUARY 5, 2004. OWNERS SHOULD CONTACT KENWORTH AT 1-425-828-5440 OR PETERBILT AT 1-940-591-4201.
1,187 vehicles affected
ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
ON CERTAIN TRUCKS EQUIPPED WITH CATERPILLAR C7 OR 3126E 2002 ENGINES AND HORTON FAN HUBS, THE FAN HUB MOUNTING BOLTS CAN FAIL RESULTING IN THE HUB AND FAN ASSEMBLY SEPARATING FROM THE ENGINE. THIS LOSS OF CLAMP LOAD CAUSES UNWANTED VIBRATION IN THE ASSEMBLY THAT LEADS TO BOLT FAILURE.
Remedy: DEALERS WILL ADD A RIGID SPACER ACROSS THE TWO LOWER MOUNTING HOLES OF THE FAN HUB TO MAINTAIN THE CLAMPING FORCE AND REPLACE ALL THE BOLTS AND WASHERS. OWNER NOTIFICATION BEGAN OCTOBER 22, 2003. OWNERS SHOULD CONTACT PETERBILT AT 1-940-591-4201.
1,858 vehicles affected
POWER TRAIN:AXLE HUBS
ON CERTAIN HEAVY DUTY TRUCKS, THE LOCKING TAB THAT LOCKS THE OUTER SPINDLE NUT ONTO THE SPINDLE WAS NOT ENGAGED OR PROPERLY BENT OVER.
Remedy: DEALERS WILL INSPECT THE HUBS TO DETERMINE IF THE LOCKING TABS ARE PROPERLY BENT. IF THE LOCKING TABS ARE NOT BENT, THEN DEALERS WILL INSPECT THE APPROPRIATE COMPONENTS FOR PREMATURE WEAR AND REPLACE SUCH COMPONENTS AS REQUIRED AND PROPERLY SECURE THE RETAINING NUT BY BENDING OVER THE LOCKING TAB. OWNER NOTIFICATION BEGAN SEPTEMBER 17, 2003. OWNERS SHOULD CONTACT KENWORTH AT 1-425-828-5440 OR PETERBILT AT 940-591-4201.
132 vehicles affected