Service Brakes, Hydraulic:power Assist:hydraulic:hoses, Lines/piping, And Fittings

NHTSA recall 89V224000 · announced December 11, 1989 · filed by Navistar Intl Corp. · 10,459 units affected

The problem

THE THROTTLE VALVE INSIDE THE HYDRAULIC BRAKE BOOSTER MAY DEFORM FROM BUILDUP OF HEAT AND PRESSURE AND CLOSE-OFF FLUID RETURN PORTS.

The 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.

What to do

REPLACE BRAKE BOOSTER ASSEMBLY.

Notes

SYSTEM: HYDRAULIC BRAKE BOOSTER.VEHICLE DESCRIPTION: TRUCK.

Vehicles covered by this recall

• 1990 International 1452sc
• 1990 International 1652sc
• 1990 International 3700
• 1990 International 3800
• 1990 International 4600
• 1990 International 4700
• 1990 International 4900

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.