NAVISTAR 4700 Recalls

Sep 21, 1999 – VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS BUILT WITH REAR LEAF SPRING SUSPENSIONS (MODELS 4700 BUILT WITH REAR LEAF SUSPENSIONS AND MANUFACTURED FROM DECEMBER 9, THROUGH DECEMBER 16, 1998; MODELS 3400 AND 3800 BUILT WITH 14SBK REAR LEAF SPRING SUSPENSIONS AND BUILT APRIL 14 THROUGH MAY 10, 1999; AND MODELS 3400 AND 3800 BUILT WITH REAR LEAF SPRING SUSPENSIONS AND MANUFACTURED FROM MAY 10 THROUGH MAY 18, 1999). ON VEHICLES WHERE THE FRAME TO AXLE HOSE LENGTH WAS TOO LONG, A CHAFING CONDITION EXISTS ON SUSPENSION COMPONENTS, WHICH COULD RESULT IN HOSE RUPTURE. ON VEHICLES WHERE THE HOSES ARE TOO SHORT, A HOSE SEPARATION COULD OCCUR WITH SEVERE SUSPENSION ARTICULATION.

Mar 16, 1999 – VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS, TRANSIT AND SCHOOL BUSES, EQUIPPED WITH MERITOR AIR BRAKE AUTOMATIC SLACK ADJUSTERS. SOME OF THE AUTOMATIC SLACK ADJUSTERS HAD INSUFFICIENT TORQUE APPLIED TO THE GUIDE PAWL CAP SCREW.

Mar 15, 1999 – VEHICLE DESCRIPTION: CLASS 8 HEAVY DUTY TRUCK CHASSIS EQUIPPED WITH 16,000 LB., 18,000 LB., OR 20,000 LB. HEAVY DUTY STEERING AXLES. THE INNER WHEEL BEARING CONE FOR THE STEERING AXLE WHEEL HUB ASSEMBLY DOES NOT PROPERLY FIT ONTO THE NAVISTAR STEERING AXLE SPINDLE ASSEMBLY. IMPROPER FIT OF THE BEARING TO THE SPINDLE INCREASES THE STRESS LEVELS TO THE STEERING AXLE SPINDLE WHICH COULD CAUSE SPINDLE FAILURE.

Feb 16, 1999 – SCHOOL, TRANSIT, OR HEAVY DUTY VEHICLES EQUIPPED WITH SPICER 6,000 OR 8,000 LB. FRONT STEER AXLES. THE TIE ROD END CAN PULL OUTBOARD AND SEPARATE FROM THE TIE ROD TUBE DUE TO IMPROPER THREAD ENGAGEMENT BETWEEN THE MALE TIE ROD END AND THE FEMALE TUBE.

Nov 09, 1998 – VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH A T444E DIESEL ENGINE. THE HIGH PRESSURE OILLINE FOR THE FUEL INJECTION SYSTEM THAT GOES FROM THE HIGH PRESSURE OIL PUMP TO THE RIGHT CYLINDER HEAD CAN CHAFE AGAINST THE CHARGE AIR COOLER CROSSOVER PIPE.

Nov 09, 1998 – VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH T444E DIESEL ENGINES. A FUEL LEAK CAN OCCUR BECAUSE OF OVERCRIMPING OF THE HOSE END FITTINGS ON THE HOSE FROM THE REGULATOR TO THE LEFT HEAD AND THE HOSE FROM THE FUEL TRANSFER PUMP TO THE REGULATOR.

Sep 17, 1998 – VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH A 1710 DRIVE LINE AND A 12 X 4 HYDRAULIC PARKING BRAKE. IF THE BRAKE DRUM OR TRANSMISSION YOKE ARE NOT FULLY SEATED WHEN THE EIGHT BOLTS ARE INSTALLED CONNECTING THE 3-PIECE JOINT, THE BOLTS CAN LOOSEN.

May 27, 1998 – VEHICLE DESCRIPTION: TRUCKS, SCHOOL BUSES AND TRANSIT BUSES EQUIPPED WITH AN OPTIONAL AUTOMATIC TRANSMISSION SHIFT LEVER THAT INCLUDES A PARK BRAKE POSITION. THE TRANSMISSION SHIFTER/PARK BRAKE LEVER CAN BIND BEFORE FULLY ENGAGING IN THE PARK BRAKE POSITION CAUSING A FALSE PARK CONDITION.

Sep 08, 1997 – VEHICLE DESCRIPTION: BUSES AND HEAVY TRUCK CHASSIS EQUIPPED WITH T444E ENGINES. THE ACCELERATOR PEDAL ROD MATERIAL IS EXCESSIVELY BRITTLE AND CAN BREAK DURING A FULL THROTTLE APPLICATION.

May 28, 1997 – VEHICLE DESCRIPTION: MEDIUM AND HEAVY DUTY TRUCKS, SCHOOL AND TRANSIT BUSES BUILT WITH A BENDIX 9X3 POWER APPLY PARK BRAKE SYSTEM. THE CAM LEVER OF THE POWERED APPLY BRAKE CAN MOVE FORWARD, BECAUSE A HOLE IN THE TRANSMISSION MOUNTING BOSS WAS DRILLED TOO DEEP.