THE TIE ROD USED ON THE DANA FA-64 FRONT DRIVE AXLE HAS A THREADED SLEEVE TO PERMIT TOE-IN ADJUSTMENT WITHOUT REMOVING AN END. THE TIE ROD BAR IS NECKED DOWN TO INCORPORATE THE SLEEVE. A STRESS RISER IS CREATED AT THE THREADED PORTION OF THE ADJUSTMENT SLEEVE WHICH MAY CAUSE A FATIGUE FRACTURE AND FAILURE OF THE TIE ROD WHERE IT SCREWS INTO THE SLEEVE.
Safety risk
FAILURE OF THE TIE ROD ON THE FRONT AXLE RESULTS IN LOSSOF STEERING CONTROL AND A POSSIBLE VEHICLE CRASH.
Manufacturer remedy
REPLACE THE TIE ROD WITH A TIE ROD THAT DOES NOT USE AN ADJUSTMENT SLEEVE.
Service brakes, hydraulic: power assist: hydraulic: hoses, lines/piping, and fittings
Manufacturer
NAVISTAR INTL CORP.
Vehicles affected
10,459
Reported to NHTSA
1989-12-11
Owners notified
1989-12-07
Defect description
THE THROTTLE VALVE INSIDE THE HYDRAULIC BRAKE BOOSTER MAY DEFORM FROM BUILDUP OF HEAT AND PRESSURE AND CLOSE-OFF FLUID RETURN PORTS.
Safety risk
THIS COULD CAUSE EXCESSIVE PRESSURE BUILDUP IN THEBOOSTER CAUSING THE BRAKES TO SELF APPLY WITH A SEVERE UNEXPECTED STOP. THISCONDITION COULD ALSO RESULT IN LOSS OF POWER STEERING ASSIST. EITHER CONDITIONCOULD RESULT IN AN ACCIDENT.
Manufacturer remedy
REPLACE BRAKE BOOSTER ASSEMBLY.
Owner complaints
A complaint is one person's report to a federal agency. It is not a finding.
No complaints recorded for this model year.
Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.