1993 International Harvester 3900FC
Safety record from NHTSA: recalls, owner complaints, investigations and service bulletins.
Have the VIN?
Vehicles › International Harvester › 3900FC › 1993
These records cover every 1993 International Harvester 3900FC. To see whether one car still needs a recall repair, decode its VIN or check it with NHTSA.
Recalls
3 recalls name the 1993 International Harvester 3900FC. Newest first.
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.
Risk and remedy
Risk
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.
Remedy
Dealers will replace the two hydraulic pressure switches with one mechanical switch that IS activated by brake pedal stroke.
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.
Risk and remedy
Risk
Brake fluid loss results in loss of pressure causingpartial loss of braking ability, which may lead to an accident.
Remedy
Replace the out-of-specification adapters.
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.
Risk and remedy
Risk
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.
Remedy
Install a pressure relief valve in the air tank.
Every International Harvester 3900FC model year
Bars are owner complaints, dots mark years with recalls. Select a year to open its report.