1993 International Harvester 3900fc recalls
There are 3 NHTSA recall campaigns associated with this vehicle configuration.
Service Brakes, Hydraulic › Power Assist › Hydraulic
THE HYDRAULIC BRAKE SYSTEM ON THESE BUSES USES TWO HYDRAULIC PRESSURE SWITCHES TO OPERATE THE BRAKE LIGHTS AND THE BRAKE BOOSTER PUMP. THE BRAKE PRESSURE WARNING LIGHT CAN ACTIVATE WHEN ACTUAL SYSTEM FAILURE HAS NOT OCCURRED.
A FALSE WARNING OF THE BRAKE PRESSURE WARNING LIGHT CAN CAUSE THE DRIVER TO IGNORE A WARNING WHEN AN ACTUAL PROBLEM EXISTS WHICH COULD RESULT IN AN ACCIDENT.
DEALERS WILL REPLACE THE TWO HYDRAULIC PRESSURE SWITCHES WITH ONE MECHANICAL SWITCH THAT IS ACTIVATED BY BRAKE PEDAL STROKE.
Service Brakes, Hydraulic › Foundation Components › Master Cylinder
A GAP BETWEEN THE MASTER CYLINDER AND REMOTE BRAKE FLUID RESERVOIR ADAPTER, CAUSED BY AN OUT-OF-SPECIFICATION CONDITION OF THE ADAPTER, RESULTS IN BRAKE FLUID LOSS DURING BRAKE APPLICATION.
BRAKE FLUID LOSS RESULTS IN LOSS OF PRESSURE CAUSINGPARTIAL LOSS OF BRAKING ABILITY, WHICH MAY LEAD TO AN ACCIDENT.
REPLACE THE OUT-OF-SPECIFICATION ADAPTERS.
Suspension › Rear › Springs › Air Suspension System
THE PRESSURE RELIEF VALVE WAS OMITTED IN THE AIR TANK. THE AIR TANK IS THE RESERVOIR FOR THE AIR SUSPENSION AND IS NOT BRAKE RELATED. WITHOUT THE PRESSURE RELIEF VALVE, THERE IS NO BACK-UP SYSTEM TO LIMIT AIR PRESSURE IN THE AIR SUSPENSION SYSTEM.
LACK OF A BACK-UP SYSTEM TO LIMIT AIR PRESSURE BUILD UPCAN CAUSE EXCESSIVE PRESSURE IN THE AIR TANK AND CAN CAUSE THE TANK TO RUPTURE.THIS CAN RESULT IN PERSONAL INJURY TO ANYONE IN THE VICINITY.
INSTALL A PRESSURE RELIEF VALVE IN THE AIR TANK.
Does this mean my vehicle has an open recall?
No. Year/make/model results show campaigns associated with this vehicle configuration. RecallSight can decode your VIN and build the research dossier here; NHTSA remains authoritative for whether a specific VIN has an unrepaired recall.
Check a VIN on RecallSight →What should I do?
Review the remedy and manufacturer guidance for each campaign. Safety recall remedies are generally provided by manufacturers without charge when the vehicle is covered.
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