VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS. THE ANTILOCK TRACTION RELAY VALVES WERE INCORRECTLY ASSEMBLED BY THE SUPPLIER. AN EXTRA CHECK VALVE WAS INSTALLED WHICH WILL NOT ALLOW THE TRACTION CONTROL SYSTEM TO FUNCTION PROPERLY.
Consequence & remedy
Consequence: THE REAR BRAKES CAN BE APPLIED AUTOMATICALLY DURING A TRACTION EVENT AND NOT RELEASE UNTIL THE AIR SYSTEM PRESSURE IS DEPLETED.
Remedy: DEALERS WILL INSPECT THESE VEHICLES AND ALL ANTILOCK TRACTION RELAY VALVES FOUND DEFECTIVE WILL BE REPLACED.
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS. THE CHECK VALVES IN THE AIR BRAKE SYSTEM ON THESE VEHICLES DO NOT MEET THE REQUIREMENTS OF FMVSS NO. 121, "AIR BRAKE SYSTEMS."
Consequence & remedy
Consequence: INCREASED BRAKING EFFORT MAY BE REQUIRED.
Remedy: DEALERS WILL INSTALL NEW CHECK VALVES ON THE VEHICLES INVOLVED.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0
No exact-year investigations in this snapshot.
1999 Navistar 9900I Problems, Complaints & Recalls | Skip That Year
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