1990 Ford F800

Introduction

The 1990 Ford F800 is a heavy-duty pickup truck that was available with several engine and transmission options. The 7.5-liter V8 gasoline engine produced 240 horsepower and 450 lb-ft of torque, while the 7.3-liter V8 diesel engine produced 190 horsepower and 440 lb-ft of torque. Transmission options included a 5-speed manual, a 6-speed manual, and a 4-speed automatic.

Owners of the 1990 Ford F800 generally praise its durability, towing capacity, and off-road capabilities. However, they also report several common issues with the vehicle.

Engine

7.5-liter V8 Gasoline

• Intake manifold gasket failure: This issue can cause coolant and oil leaks, as well as engine overheating. The solution is to replace the intake manifold gasket. Estimated Cost to Fix: $500 - $1,000+
• Head gasket failure: This issue can cause coolant and oil leaks, as well as engine overheating. The solution is to replace the head gasket. Estimated Cost to Fix: $1,000 - $2,500+
• Spark plug failure: This issue can cause misfires and engine performance problems. The solution is to replace the spark plugs. Estimated Cost to Fix: $100 - $200+

7.3-liter V8 Diesel

• Fuel injector failure: This issue can cause engine performance problems and black smoke from the exhaust. The solution is to replace the fuel injectors. Estimated Cost to Fix: $500 - $1,000+
• Turbocharger failure: This issue can cause a loss of power and black smoke from the exhaust. The solution is to replace the turbocharger. Estimated Cost to Fix: $1,000 - $2,000+
• Cylinder head failure: This issue can cause coolant and oil leaks, as well as engine overheating. The solution is to replace the cylinder head. Estimated Cost to Fix: $2,000 - $5,000+

Transmission

5-Speed Manual

• Clutch failure: This issue can cause difficulty shifting gears and a loss of power. The solution is to replace the clutch. Estimated Cost to Fix: $500 - $1,000+
• Synchronizer failure: This issue can cause difficulty shifting gears. The solution is to replace the synchronizers. Estimated Cost to Fix: $500 - $1,000+

6-Speed Manual

• Transmission noise: This issue can be caused by worn bearings or gears. The solution is to rebuild or replace the transmission. Estimated Cost to Fix: $1,000 - $3,000+
• Shifting difficulty: This issue can be caused by worn or damaged shift forks. The solution is to replace the shift forks. Estimated Cost to Fix: $500 - $1,000+

4-Speed Automatic

• Transmission slipping: This issue can be caused by worn clutch packs or torque converter. The solution is to rebuild or replace the transmission. Estimated Cost to Fix: $1,000 - $3,000+

Suspension

• Leaf spring failure: This issue can cause the rear of the vehicle to sag and can lead to handling problems. The solution is to replace the leaf springs. Estimated Cost to Fix: $500 - $1,000+
• Shock absorber failure: This issue can cause the vehicle to ride rough and can lead to handling problems. The solution is to replace the shock absorbers. Estimated Cost to Fix: $200 - $500+

Electrical

• Alternator failure: This issue can cause the battery to discharge and the vehicle to stall. The solution is to replace the alternator. Estimated Cost to Fix: $500 - $1,000+
• Starter failure: This issue can prevent the vehicle from starting. The solution is to replace the starter. Estimated Cost to Fix: $200 - $500+
• Wiring harness problems: This issue can cause a variety of electrical problems, including lights not working, gauges not working, and power windows not working. The solution is to repair or replace the wiring harness. Estimated Cost to Fix: $500 - $2,000+

Exterior

• Rust: This issue can affect the body panels, frame, and suspension components. The solution is to address the rust by sanding, priming, and painting. Estimated Cost to Fix: Varies depending on the severity of the rust
• Headlight failure: This issue can be caused by burned-out bulbs or faulty wiring. The solution is to replace the bulbs or repair the wiring. Estimated Cost to Fix: $100 - $500+
• Tail light failure: This issue can be caused by burned-out bulbs or faulty wiring. The solution is to replace the bulbs or repair the wiring. Estimated Cost to Fix: $100 - $500+

Interior

• HVAC failure: This issue can cause the heater, air conditioner, or defroster to not work. The solution is to repair or replace the HVAC system. Estimated Cost to Fix: $500 - $2,000+
• Power window failure: This issue can prevent the power windows from working. The solution is to repair or replace the power window motor or switch. Estimated Cost to Fix: $200 - $500+
• Seat belt failure: This issue can prevent the seat belt from retracting or locking. The solution is to replace the seat belt. Estimated Cost to Fix: $200 - $500+

Summary

The 1990 Ford F800 is a durable and capable truck, but it is not without its issues. The most common problems reported by owners include engine and transmission failures, suspension problems, electrical problems, and interior problems. The severity and cost of these issues can vary depending on the specific problem and the severity of the damage.