The worst 1991 International Harvester 3900FC problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 5
Fuel system, gasoline: storage: tank assembly: mounting
- What is wrong
- The fuel tank cage assembly bolts mounting the vertical straps to the horizontal angle were assembled with the threaded end of the bolts facing the fuel tank.
- Risk
- If the fuel tank cage is struck with sufficient force itis possible for the bolts to pierce the fuel tank and cause fuel leakage.fuel leakage exposed to a source of ignition can result in a fire.
- Remedy
- The fuel tank cage mounting bolts will be removed and reinstalled with the bolt head toward the tank.
Recall number 93V112000 · Recall details
Suspension: rear: springs: air suspension system
- What is wrong
- 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
- 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.
Recall number 93V092000 · Recall details
Fuel system, gasoline: storage: tank assembly
- What is wrong
- The fuel system failed the crash barrier test.
- Risk
- The fuel tank was punctured, resulting in fluid lossgreater than allowed by fmvss 301, "fuel system integrity". Fuel spills ina collision could lead to a vehicle fire if exposed to a source of ignition.
- Remedy
- Modify the fuel tank cage to comply with fmvss 301.
Recall number 92V102000 · Recall details
Steering: hydraulic power assist: hose, piping, and connections
- What is wrong
- The power steering return hose was incorrectly routed, and could kink and reduce power steering assist.
- Risk
- If the power steering return hose kinks and the powerassist is reduced or lost, it could result in loss of steering control andan accident.
- Remedy
- Install a new, correctly routed, power steering return assembly.
Recall number 92V096000 · Recall details
Steering: steering wheel/handle bar
- What is wrong
- The pinch bolt connecting the upper steering column to the lower steering column may not have been properly tightened and separation of upper and lower steering columns can occur.
- Risk
- If the steering column separates while the bus is inmotion, loss of steering control and a vehicle crash can occur.
- Remedy
- Tighten the upper pinch bolt as required.
Recall number 91V208000 · Recall details
See all 5 recalls for the 1991 International Harvester 3900FC
Defect investigations
Rear wheel lockup
There is no summary currently available
EA94014
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Questions about the 1991 International Harvester 3900FC
Is the 1991 International Harvester 3900FC reliable?
Owners have filed 0 complaints about the 1991 International Harvester 3900FC.
What is the most common problem with the 1991 International Harvester 3900FC?
There are not enough complaints to tell.
How many recalls does the 1991 International Harvester 3900FC have?
5 recalls, covering fuel system, gasoline, suspension and steering.
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