2006 Peterbilt 378

STEERING

ON CERTAIN TRUCKS EQUIPPED WITH THE BENDIX ELECTRONIC STABILITY CONTROL (ESP) SYSTEM, THE SYSTEM USES MULTIPLE SENSORS AND AN ELECTRONIC CONTROL UNIT (ECU) TO CONTROL VEHICLE UNDER STEER, OVER-STEER, AND ROLLOVER SITUATIONS. THE SYSTEM RELIES ON VEHICLE SENSORS TO BE FUNCTIONING AND ALIGNED PROPERLY. THE STEERING ANGLE SENSOR HAS THE POTENTIAL TO BE MISALIGNED WITH THE STEERING COLUMN SHAFT, THEREBY PROVIDING INCORRECT INFORMATION TO THE BENDIX ECU.

ENGINE AND ENGINE COOLING

ON CERTAIN TRACTORS EQUIPPED WITH CATERPILLAR DIESEL ENGINES, THE VARIABLE VALVE ACTUATION OIL LINE MAY WEAR AGAINST THE SHARP EDGE OF THE CYLINDER HEAD IF NOT POSITIONED CORRECTLY.

POWER TRAIN:DRIVELINE

ON CERTAIN TRUCKS EQUIPPED WITH CHALMERS REAR SUSPENSIONS, THE ADJUSTABLE TORQUE ROD END CASTINGS MAY BE BRITTLE. A BRITTLE ROD END CASTING MAY FRACTURE WITHOUT WARNING, CAUSING THE VEHICLES' REAR AXLES TO BECOME MISALIGNED.

SERVICE BRAKES, AIR

ON CERTAIN NON-ABS EQUIPPED TRUCKS, AN AIR HOSE BETWEEN THE TRACTOR PROTECTION VALVE AND THE BACK OF THE CAB BULKHEAD WAS OMITTED.

EQUIPMENT:OTHER:LABELS

Paccar Incorporated (Paccar) is recalling certain 2004-2013 Peterbilt 379, 357, 378, 367, 388, 365, 389, 385 and 386 trucks manufactured from April 3, 2003, through October 25, 2013 and equipped with tri-drive rear axles and a tag or pusher axle. The affected vehicles may be missing required information from the certification label, specifically the tag or pusher axle the gross axle weight rating, suitable tire and rim information, and recommended tire pressure information. Without this information, the vehicles do not comply with the requirements of 49 C.F.R. Part 567, "Certification."