Showing 327 recalls for KENWORTH
A CRACK IN THE DIE CAST ALUMINUM HOUSING OF THE BRAKE CHAMBER CAUSES A LOSS OF AIR PRESSURE IN THE CHAMBER. LOSS OF AIR PRESSURE CAUSES THE SPRING BRAKES TO BE APPLIED.
1,500 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: LOSS OF AIR PRESSURE IN THE HOUSING OF THE BRAKE CHAMBERAND THE SUBSEQUENT APPLICATION OF THE SPRING BRAKES DISABLES THE TRUCK WITHOUTPRIOR WARNING AND COULD CAUSE A VEHICLE ACCIDENT.
Remedy: REPAIR OR REPLACE THE SUSPECT MGM BRAKE CHAMBERS.
TRW SUPPLIED POWER STEERING GEARS WITH NON-HEAT-TREATED WORM SCREWS. THE STEERING GEARS WITHOUT HEAT TREATED WORM SCREWS CAN LOCK UP IN TIGHT TURNING MANEUVERS.
950 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: LOCK UPS OF THE STEERING GEAR CAUSES LOSS OF STEERINGCONTROL AND COULD RESULT IN AN ACCIDENT.
Remedy: REPLACE THE NON-HEAT-TREATED WORM SCREWS.
SPRAGUE WIPER ASSEMBLY PIVOT CAN SEIZE DUE TO GALVANIC CORROSION BETWEEN THE ZINC-PLATED STEEL SHAFT AND THE BRONZE BUSHINGS.
15,000 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: THIS CORROSION CAN CAUSE WIPER ARM/BLADE ASSEMBLY TO STOPWIPING WINDSHIELD, THIS COULD AFFECT DRIVER VISIBILITY AND RESULT IN ANACCIDENT.
Remedy: REPLACE SPRAGUE WIPER ASSEMBLY PIVOT WITH AN ASSEMBLY NOT SUSCEPTIBLE TO GALVANIC CORROSION.
THE ENGINE FAN MAY EXPERIENCE A RESONANT FREQUENCY CAUSING PREMATURE FAN FAILURE, AND SEPARATION FROM THE ENGINE.
997 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: ENGINE FAN SEPARATION CAN CAUSE DEATH OR INJURY TO ANYPERSON IN THE PATH OF THE FAN.
Remedy: REPLACE ENGINE FAN WITH FAN FROM ANOTHER MANUFACTURER.
AIR BRAKE SYSTEM WAS MODIFIED BY ADDING A LONGER AIR LINE BETWEEN THE ABS SOLENOID AND THE TRANSFER TEE TO SIMPLIFY MANUFACTURING. THIS MODIFICATION CAUSED THE TRUCKS TO BE IN NON-COMPLIANCE WITH FMVSS 121, BRAKE TIMING TEST.
77 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: THE MISTIMED BRAKE AND ABS SYSTEM MAY CAUSE THE TRUCK TOFAIL THE STOPPING DISTANCE REQUIREMENT OF THE FMVSS, WHICH MAY LEAD TO ANACCIDENT.
Remedy: REMOVE THE EXTRA LENGTH OF AIR LINE AND INSTALL THE TRANSFER TEE AT THE ABS SOLENOID.
REAR AXLE STABILIZER (SWAY) BAR MAY NOT HAVE BEEN PROPERLY HEAT TREATED.
5,623 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: REPLACE THE STABILIZER BAR.
PITMAN ARM PINCH BOLTS MAY HAVE BEEN INADEQUATELY TORQUED.
412 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: THIS COULD ALLOW PITMAN ARM TO SLIP ON THE STEERING GEAROUTPUT SHAFT RESULTING IN LOSS OF CONTROL AND AN ACCIDENT.
Remedy: RETORQUE PINCH BOLTS AND RESET AS NECESSARY.
AN INCORRECT PINCH BOLT WAS USED IN THE STEERING GEAR PITMAN ARM THAT DOES NOT ALLOW PROPER CLAMPING FORCE ON THE ARM SPLINE.
2,325 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: PITMAN ARM SPLINES COULD WEAR AND AFFECT STEERING WHICH COULD RESULT IN A VEHICLE ACCIDENT.
Remedy: INSTALL THE CORRECT PINCH BOLT.
FUEL LINE ROUTING COULD ALLOW THE LINE TO CONTACT THE ELECTRICAL CONNECTION ON THE STARTER SOLENOID.
103 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: SUCH CONTACT COULD RESULT IN A TRUCK FIRE.
Remedy: REROUTE FUEL LINE AND REPLACE LINE, IF NECESSARY.
TRAILER WIRING HARNESS CONNECTOR COULD CAUSE INTERMITTENT OR TOTAL FAILURE OF TRAILER BRAKE LIGHTS OR ALL OF THE TRAILER LIGHTS.
650 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: THIS WOULD AFFECT OTHER DRIVERS ABILITY TO SEE THETRAILER AND COULD RESULT IN AN ACCIDENT.
Remedy: REPLACE TRAILER WIRING HARNESS CONNECTOR.
BOLTS MAY BE MISSING FROM THE UPPER MOUNTING BRACKET OF THE 3 POINT SEAT BELT.
231 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: AN OCCUPANT WOULD NOT BE PROPERLY RESTRAINED IN ANEMERGENCY AND TRUCKS WOULD NOT COMPLY WITH FMVSS 210.
Remedy: INSTALL MISSING BOLTS.
ROUTING OF FUEL LINE COULD ALLOW IT TO CONTACT THE ELECTRICIAL CONNECTION ON THE STARTER SOLENOID.
1,078 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: SUCH CONTACT COULD RESULT IN A TRUCK FIRE.
Remedy: REROUTE FUEL LINE AND SECURE AWAY FROM STARTER SOLENOID.
AN INCORRECT FRONT AXLE BRAKE VALVE MAY HAVE BEEN INSTALLED.
240 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: BRAKING ABILITY OF THE VEHICLE WITHOUT A TRAILER COULDBE REDUCED WHICH COULD RESULT IN AN ACCIDENT.
Remedy: REPLACE THE LQ4 VALVE WITH A QR1 QUICK RELEASE VALVE.
STEERING DRAGLINK NUTS MAY NOT BE PROPERLY TORQUED.
111 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: DRAGLINK COULD LOOSEN AND CAUSE ERRATIC STEERING WHICHCOULD RESULT IN AN ACCIDENT.
Remedy: RETORQUE DRAGLINK.
BRACKETS USED TO ATTACH CRUISE CONTROL TO THE FUEL PUMP MAY BEND AND/OR DEFLECT.
1,142 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: THROTTLE LINKAGE COULD BIND AND NOT CONFORM TO THROTTLERETURN TIMING OF FMVSS 124.
Remedy: REPLACE SUSPECT BRACKETRY WITH A REINFORCED PART.
ELECTRONIC THROTTLE SENSORS MAY FAIL TO RETURN TO IDLE DUE TO THROTTLE PEDAL STOP BEING INCORRECTLY MANUFACTURED OF ALUMINUM INSTEAD OF STEEL.
283 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: THIS COULD RESULT IN LOSS OF TRUCK CONTROL AND ANACCIDENT.
Remedy: REPLACE ALUMINUM THROTTLE PEDAL STOPS WITH A STEEL VERSION, ALSO, REPLACE THROTTLE POTENTIOMETER IF IT HAS BEEN OVERLOADED.
FASTENERS USED TO SUPPORT THE SIDE SKIRT ASSEMBLY MAY FAIL.
1,400 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: SIDE SKIRT ASSEMBLY MAY SEPARATE FROM TRUCK.
Remedy: INSTALL TWO SUPPORTING ANGLES TO PREVENT SKIRT ASSEMBLY SEPARATION.
THE THROTTLE LEVER IS NOT UNDER SUFFICIENT TENSION.
666 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: TRUCKS DO NOT COMPLY WITH FMVSS 124.
Remedy: RELOCATE THROTTLE RETURN SPRING ANCHOR AND/OR THE SPRING ANCHOR WILL BE REPLACED.
SINGLE CHECK AIR SYSTEM VALVE MAY MALFUNCTION DUE TO CORROSION.
50 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: AIR COULD TRANSFER BETWEEN CIRCUITS OF DUAL AIR BRAKESYSTEM IN EVENT OF FAILURE OF ONE OR THE OTHER CIRCUIT, WHICH COULD CAUSEDEPLETION OF THE ENTIRE AIR SYSTEM.
Remedy: REPLACE CHECK VALVES, AS NECESSARY.
THE MALLEABLE IRON REAR HUBS MAY EXHIBIT CRACKS. ALSO, THE FRONT AXLE HUBS MAY HAVE NOT BEEN PROPERLY HEAT TREATED.
2,200 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Consequence: AXLE HUBS MAY CRACK STARTING AT POINT WHERE WHEEL STUDSHAVE BEEN PRESSED INTO THE HUB.
Remedy: REPLACE AXLE HUB, AS NECESSARY.
LINE PRESSURE SURGES OCCUR WHEN THE TRANSMISSION IS IN HIGH GEAR LOCKUP DUE TO A PLUMBING ERROR. CONSEQUENCE OF DEFECT: LINE PRESSURE SURGES COULD CAUSE BODILY HARM THROUGH ERRATIC FIRE HOSE DELIVERY ACTION.
90 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: REWORK PLUMBING TO PREVENT LINE PRESSURE SURGES.
THE CIRCUIT BREAKERS MAY FAIL AND ALLOW THE CIRCUIT TO OVERHEAT. CONSEQUENCE OF DEFECT: A FIRE COULD OCCUR AS A RESULT OF THE CIRCUIT BREAKER FAILURE.
5,000 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: REMOVE CIRCUIT BREAKERS AND REPLACE WITH FUSES.
FRONT ALUMINUM STEERING AXLE HUBS WERE INCORRECTLY HEATED DURING STUD AND BEARING CUP PRESSING OPERATIONS. CONSEQUENCE OF DEFECT: DUE TO THE INCORRECT HEAT TREATMENT THE HUBS MAY CRACK AND FAIL UNDER CERTAIN OPERATING CONDITIONS. FAILURE COULD RESULT IN LOSS OF WHEEL AND VEHICLE ...
4,300 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: ALL RECALLED HUBS WILL BE INSPECTED AND TESTED FOR HARDNESS SPECIFICATIONS. IF THEY FAIL TO MEET THE REQUIREMENTS, THEY WILL BE REPLACED.
FRONT AXLE SPRINGS MAY CRACK IN THE SPRING EYE AREA. CONSEQUENCE OF DEFECT: SPRING COULD BECOME DETACHED SEVERELY LIMITING VEHICLE CONTROL WHICH MAY LEAD TO AN ACCIDENT.
73 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: REPLACE TOP SPRING LEAF.
POSSIBILITY THAT A NEW THROTTLE ROD END WAS INCORPORATED IN THE THROTTLE MECHANISM DURING MANUFACTURING. THIS THROTTLE END USES A NYLON BEARING MATERIAL. THIS BEARING MAY DETERIORATE UNDER CERTAIN CONDITIONS RESTRICTING THROTTLE ROD MOVEMENT. CONSEQUENCE OF DEF...
850 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: INSPECTION AND REPLACEMENT OF ALL ALINABAL PARTS WILL BE MADE BY THE MANUFACTURER.
DURING A FULL TURN OF THE STEERING WHEEL, THE FRONT LEFT SPRINGS MAY DAMAGE THE BRAKE SYSTEM OR THE ELECTRICAL SYSTEM.
300 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: VEHICLES WILL BE INSPECTED AND IF NEEDED, THE AIRLINE AND ELECTRICAL WIRING BUNDLE WILL BE REROUTED.
IMPROPER REAR CAB LATCH MAY NOT LATCH PROPERLY CAUSING INADEQUATE CAB-TO-FRAME ATTACHMENT AT THE REAR CAB.
44 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: REPLACEMENT OF CAB LATCH ASSEMBLY WITH A DIFFERENT CAB LATCH.
CONTROL VALVES MAY NOT ALLOW FULL PRESSURE RELEASE AFTER BRAKE PEDAL HAS BEEN RELEASED BY OPERATOR.
196 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: DEALER WILL REMOVE THE PLUGS FROM THE EXHAUST PORTS ON THE SERVICE SUPPLY AND EMERGENCY SUPPLY CONTROL VALVES, AND INSTALL A TUBE AND FITTING IN ITS PLACE.
AIR CONDITIONING AND HEATING DUCT HOSES COULD CHAFE AND EXPOSE THE WIRE REINFORCEMENT. THE EXPOSED WIRE MAY COME IN CONTACT WITH ONE OF THE ELECTRICAL CONNECTORS AND SHORT OUT.
3,100 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: DEALER WILL REPLACE BOTH THE AIR CONDITIONING AND HEATING HOSES AT NO COST TO OWNER.
THE REAR BRAKES MAY NOT RELEASE AS QUICKLY AS SPECIFICATIONS REQUIRE. CERTAIN TRUCKS WERE EQUIPPED WITH AN INCORRECT SIZE AIR BRAKE LINE INSTALLED BETWEEN THE REAR BRAKE RELAY VALVE AND THE AXLE TEE FITTING. THE CONDITION IS NOT IN COMPLIANCE WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD 121, "AIR BRAKE SYSTEMS".
100 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: THE DEALER WILL REPLACE ANY INCORRECTLY SIZED HOSES WITH THE CORRECT PART AT NO CHARGE.
STEERING COMPONENTS MAY INTERFERE WITH EACH OTHER AND COULD LEAD TO SEPARATION OF STEERING LINKAGE. THE DRAGLINK, A COMPONENT IN THE STEERING LINKAGE THAT TRANSMITS TURNING MOVEMENTS TO THE WHEELS, MAY HAVE A CLAMP ON THE AXLE END WHICH HAS BEEN INCORRECTLY POSITIONED ON THE INBOARD SIDE OF THE DRAGLINK.
100 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: DEALER WILL INSPECT THE FRONT STEERING FOR THE MISPLACED CLAMP AND RELOCATE IT CORRECTY. IF DAMAGED, THE DRAGLINK WILL BE REPLACED. DEALER WILL COR RECT THE CLEARANCE OF THE SUSPENSION RADIUS RODS TO PREVENT INTERFERENCE, IF NECESSARY.
THE U SHAPED BOLTS THAT CONNECT THE SPRINGS AND SPRING SPACERS TO THE FRONT AXLE MAY NOT HAVE BEEN INSTALLED PROPERLY. THIS CONDITION COULD ALLOW THE AXLE TO SHIFT AND COULD DEGRADE THE STEERING CHARACTERISTICS OF THE VEHICLE.
100 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: THE DEALER WILL INSPECT AND REPLACE DAMAGED NUTS OR U BOLTS, OR TIGHTEN THE BOLTS AND NUTS TO SPECIFICATIONS. IT MAY BE NECESSARY TO INSERT ADDITIONAL SPACERS IN THE SPRINGS.
FRONT AXLE AIR BRAKE CHAMBER IS ATTACHED WITH A CLAMP AND BOLT ASSEMBLY THAT MAY NOT HAVE BEEN POSITIONED CORRECTLY, AND MAY CHAFE AGAINST THE FRONT BRAKE HOSE. CHAFING COULD RESULT IN AN AIR LEAK AND LOSS OF AIR TO THE FRONT BRAKES.
100 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: THE DEALER WILL INSTALL NEW FITTINGS ON THE FRAME END OF FRONT BRAKE HOSE AND REPLACE HOSES WITH A LONGER PART. THE FITTINGS WILL BE CORRECTLY LOCATED AND THE BRAKE CHAMBER CLAMP WILL BE POSITIONED CORRECTLY.
ON CERTAIN VEHICLES, THE AIR STARTER VALVES MAY BECOME INTERNALLY DAMAGED DURING NORMAL OPERATION. THIS MAY RESULT IN A MALFUNCTION OF THE VALVE, CAUSING THE AIR STARTER TO SELF ACTUATE AND START THE ENGINE OF AN UNATTENDED VEHICLE.
557 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: THE DEALER WILL REPLACE THE VALVE WITH A CURRENT PRODUCTION VERSION AT NO COST TO OWNER.
THE MATTRESSES INCLUDED WITH CERTAIN VEHICLES DO NOT COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 302, "FLAMMABILITY OF INTERIOR MATERIALS". THE MATTRESS COVERS BURN AT A FASTER RATE THAN IS CONSIDERED SAFE.
800 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: THE MANUFACTURER WILL PROVIDE, THROUGH THE MAIL, A NEW ZIPPERED MATTRESS BAG COVER THAT COMPLIES WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 302.
ON CERTAIN VEHICLES IMPROPER AIR HOSE ASSEMBLY PROCEDURES MAY HAVE RESULTED IN PIECES BEING LEFT IN THE HOSE. THESE PIECES COULD BLOCK THE HOSE AND CAUSE A MALFUNCTION.
25 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: AIR BRAKE HOSES WILL BE INSPECTED AND, IF DEFECTIVE, WILL BE REPLACED WITHOUT CHARGE.
THE INVOLVED TRUCKS MAY HAVE BEEN ASSEMBLED WITHOUT THE INSTALLATION OF A SINGLE CHECK VALVE. THIS FAILS TO COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS". IN THE EVENT OF A SINGLE FAILURE IN THE REAR AIR SYSTEM, THE LACK OF A CHECK VALVE WOULD ALLOW SIMULTANEOUS LOSS OF AIR FROM BOTH FRONT AND REAR BRAKING SYSTEMS.
1,000 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: DEALER WILL INSTALL A SINGLE CHECK VALVE, IF NECESSARY, WITHOUT CHARGE TO OWNER.
THE HAND VALVE INSTALLED IN THE VEHICLE MAY HAVE BEEN INCORRECTLY POSITIONED. THIS WOULD ALLOW AIR TO ESCAPE FROM BOTH THE FRONT AND REAR SERVICE SYSTEMS SIMULTANEOUSLY IF THE CONTROL LINE TO THE REAR AXLE RELAY VALVES SHOULD FAIL. PERFORMANCE OF FRONT AND REAR SERVICE BRAKES DURING FAILURE COULD BE DEGRADED.
900 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: THE HAND VALVE WILL BE REPOSITIONED BY THE DEALER, IF NECESSARY, AT NO CHARGE OWNER.
IT MAY BE POSSIBLE FOR THE LCF THROTTLE ROD BELL CRANK TO MAKE CONTACT WITH THE RADIATOR SEAL. THIS CAN RESULT IN REDUCED ENGINE PERFORMANCE AND/OR THROTTLE RETURN.
40 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: DEALER WILL MODIFY THE DRIVER SIDE RADIATOR SEAL TO ELIMINATE THE POSSIBILITY OF INTERFERENCE WITH THE THROTTLE ROD BELL CRANK.
9,000 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: DEALER WILL REPLACE THE STEERING ARM AND ADJUST THE PRESSURE SETTINGS PROPERLY AT NO CHARGE TO OWNER.
STEERING ARMS ON INVOLVED VEHICLES, IDENTIFIED BY THE HEAT CODE "E14", MAY HAVE RECEIVED IMPROPER HEAT TREATMENT. THIS CONDITION COULD CAUSE THE STEERING ARM TO CRACK OR BREAK.
3,050 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: DEALER WILL REPLACE ALL STEERING ARMS IDENTIFIED BY THE "E14" HEAT CODE WITHOUT CHARGE TO OWNER.
SOME VEHICLES CONTAIN LENSES THAT FADE FROM AMBER TO CLEAR AFTER EXPOSURE TO SUNLIGHT FOR PROLONGED PERIODS OF TIME. THIS FADING DOES NOT COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES AND ASSOCIATED EQUIPMENT".
9,500 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: DEALER WILL REPLACE DEFECTIVE LENSES OR OWNER MAY PICK UP REPLACEMENT LENSES FROM THE DEALER FOR SELF-INSTALLATION.
SEAT BELTS INSTALLED ON THE INVOLVED VEHICLES MAY HAVE A FALSE LATCHING CONDITION WHICH WOULD CONSTITUTE A NON-COMPLIANCE WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 209, "SEAT BELT ASSEMBLIES".
20,000 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: DEALER WILL REPLACE THE SEAT BELT ASSEMBLIES WITHOUT CHARGE TO OWNER.
THE WINDSHIELD ON THE INVOLVED VEHICLES COULD UNSEAT AND BLOW INTO THE CAB OF THE TRUCK.
5,300 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: THE DEALER WILL BUILD UP THE FIBERGLASS OPENING TO PROPERLY SECURE THE WINDSHIELD OR INSTALL A LARGER WINDSHIELD FREE OF CHARGE.
DUE TO DEFECTIVE INSTALLATION PROCEDURES ON THE INVOLVED VEHICLES, THERE IS A POSSIBILITY OF SLACK ADJUSTER DAMAGE. THIS COULD RESULT IN BRAKE FAILURE ON THE REAR WHEEL END.
300 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: THE DEALER WILL REPLACE THE SLACK ADJUSTERS ON THE INVOLVED VEHICLES FREE OF CHARGE. THE DEALER WILL ALSO REVERSE THE INSTALLATION OF THE MIDLAND SLACK ADJUSTER OR INSTALL A BENDIX SLACK ADJUSTER AS FOUND NECESSARY.
SOME OF THE INVOLVED VEHICLES DO NOT COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS". THE AIR RESERVOIR CAPACITY IS BELOW THAT ALLOWED BY THE STANDARD.
2,000 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: DEALER WILL EITHER REPLACE THE EXISTING TANK WITH A LARGER TANK OR ADD A SECOND TANK, WITHOUT CHARGE TO OWNER.
THE INVOLVED TRUCKS MAY HAVE BEEN MANUFACTURED WITH A GRADE 5 BOLT INSTEAD OF THE SPECIFIED GRADE 8 BOLT.
150 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: DEALER WILL REPLACE GRADE 5 BOLTS WITH GRADE 8 BOLTS.
THE PARKING BRAKE VALVES MAY HAVE BEEN INCORRECTLY PIPED. IF THE PARKING BRAKE PIPING IS INCORRECTLY ROUTED, THERE IS NO WAY TO SET THE TRACTOR PARKING BRAKES INDEPENDENTLY OF THE TRAILER PARKING BRAKES. THIS COULD CAUSE THE PARKING BRAKES TO BACK OFF WHILE THE TRAILER AIR SUPPLY IS BEING CHARGED, CAUSING THE TRACTOR TO ROLL.
2,620 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: TRAILER AIR SUPPLY WILL BE MOVED FROM THE DISCHARGE SIDE OF THE TRACTOR PARKING VALVE TO THE DISCHARGE SIDE OF THE COMBINATION PARKING VALVE. THIS SERVICE WILL BE DONE AT NO CHARGE.
SOME OF THE INVOLVED VEHICLES MAY HAVE AN INSUFFICIENT WELD FILLET SIZE ON THE REAR AXLE SUSPENSION PERCHES WHICH MAY CREATE A CONDITION WHEREBY THE PERCHES COULD BREAK OFF.
2,300 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: THE DEALER WILL INSPECT AND REWELD THOSE AXLE PERCHES WITH INSUFFICIENT WELDS, SO THAT WELD MATERIAL EXTENDS COMPLETELY TO THE EDGE OF THE PERCH. THIS WILL BE DONE AT NO COST TO OWNER.
THE INVOLVED VEHICLES DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 124, "ACCELERATOR CONTROL SYSTEMS", IN THAT DUE TO THE LOCATION OF THE LOWER THROTTLE RETURN SPRING AND THE TENSION IN BOTH THROTTLE SPRINGS, THE VEHICLE MAY NOT MEET THE RETURN TIME SPECIFIED IN THE STANDARD.
30,000 vehicles affected
Manufacturer: PACCAR, INCORPORATED
Remedy: DEALER WILL INSPECT AND, IF NECESSARY, EITHER RELOCATE OR REPLACE THE THROTTLE SPRINGS AT NO COST TO OWNER.