1991 FORD F-450 SUPER DUTY PROBLEMS

1991 FORD F-450 SUPER DUTY PROBLEMS

1991 FORD F-450 SUPER DUTY PROBLEMS

Malfunction Modules

Complaints and Common Faults

  • 1. Diesel engine drive belts breaking and vehicle losing control

  • 2. Alternator failure

  • 3. Belt tensioner replacement

  • 4. Catalytic converter failure

  • 5. Clutch cylinder replacement

  • 6. Rear axle, flywheel, and clutch pressure plate replacements

  • 7. Electrical short in wiring harness causing headlights to fail

  • 8. Engine smoking due to pinhole in engine block

  • 9. Exhaust gaskets replacement

  • 10. Exhaust manifold warping

  • 11. Fan clutch replacement

  • 12. Tire explosion

  • 13. Potentiometer failure

  • 14. Power steering pump failure

  • 15. Seat frame breaks

  • 16. Starter motor replacement

Other Models