1990 Ford F Super Duty

Introduction to the 1990 Ford F Super Duty

The 1990 Ford F Super Duty is a heavy-duty pickup truck that was available with a variety of engine and transmission options. The standard engine was a 7.5-liter V8 that produced 230 horsepower and 400 lb-ft of torque. Optional engines included a 7.3-liter V8 diesel that produced 185 horsepower and 420 lb-ft of torque, and a 7.5-liter V8 gasoline engine that produced 245 horsepower and 460 lb-ft of torque. The F Super Duty was available with either a four-speed automatic transmission or a five-speed manual transmission.

People who like the 1990 Ford F Super Duty praise its powerful engines, rugged construction, and spacious interior. However, some people have reported issues with the vehicle’s reliability and fuel economy.

Engine

7.5-liter V8

• Head gasket failure: This issue can cause coolant to leak from the engine, leading to overheating and engine damage. The solution is to replace the head gaskets. The estimated cost to fix this issue is $1,000 - $2,000+.
• Intake manifold gasket failure: This issue can cause coolant and oil to leak from the engine. The solution is to replace the intake manifold gaskets. The estimated cost to fix this issue is $500 - $1,000.
• Exhaust manifold gasket failure: This issue can cause exhaust fumes to leak into the engine compartment. The solution is to replace the exhaust manifold gaskets. The estimated cost to fix this issue is $200 - $500.

7.3-liter V8 Diesel

• Turbocharger failure: This issue can cause a loss of power and engine damage. The solution is to replace the turbocharger. The estimated cost to fix this issue is $1,500 - $2,000+.
• Injector failure: This issue can cause a loss of power and engine damage. The solution is to replace the injectors. The estimated cost to fix this issue is $500 - $1,000 per injector.
• High-pressure oil pump failure: This issue can cause a loss of oil pressure and engine damage. The solution is to replace the high-pressure oil pump. The estimated cost to fix this issue is $1,000 - $1,500.

7.5-liter V8 Gasoline

• Fuel injector failure: This issue can cause a loss of power and engine damage. The solution is to replace the fuel injectors. The estimated cost to fix this issue is $500 - $1,000 per injector.
• Spark plug failure: This issue can cause a loss of power and engine damage. The solution is to replace the spark plugs. The estimated cost to fix this issue is $200 - $500.
• Ignition coil failure: This issue can cause a loss of power and engine damage. The solution is to replace the ignition coils. The estimated cost to fix this issue is $100 - $300 per coil.

Transmission

Four-speed Automatic

• Transmission slipping: This issue can cause the transmission to hesitate or slip out of gear. The solution is to replace the transmission. The estimated cost to fix this issue is $2,000 - $3,000+.
• Torque converter failure: This issue can cause the transmission to slip or shudder. The solution is to replace the torque converter. The estimated cost to fix this issue is $1,000 - $1,500.
• Solenoid failure: This issue can cause the transmission to shift erratically. The solution is to replace the solenoids. The estimated cost to fix this issue is $200 - $500 per solenoid.

Five-speed Manual

• Clutch failure: This issue can cause the clutch to slip or chatter. The solution is to replace the clutch. The estimated cost to fix this issue is $500 - $1,000.
• Synchronizer failure: This issue can cause the transmission to grind when shifting gears. The solution is to replace the synchronizers. The estimated cost to fix this issue is $200 - $500 per synchronizer.
• Shift fork failure: This issue can cause the transmission to pop out of gear. The solution is to replace the shift fork. The estimated cost to fix this issue is $200 - $500.

Suspension

• Ball joint failure: This issue can cause the front wheels to wobble or shake. The solution is to replace the ball joints. The estimated cost to fix this issue is $200 - $500 per ball joint.
• Tie rod end failure: This issue can cause the front wheels to toe in or out excessively. The solution is to replace the tie rod ends. The estimated cost to fix this issue is $100 - $300 per tie rod end.
• Leaf spring failure: This issue can cause the rear axle to sag or bounce excessively. The solution is to replace the leaf springs. The estimated cost to fix this issue is $500 - $1,000 per leaf spring.

Electrical

• Alternator failure: This issue can cause the battery to discharge and the vehicle to stall. The solution is to replace the alternator. The estimated cost to fix this issue is $500 - $1,000.
• Battery failure: This issue can cause the vehicle to stall or not start. The solution is to replace the battery. The estimated cost to fix this issue is $100 - $200.
• Starter failure: This issue can cause the vehicle not to start. The solution is to replace the starter. The estimated cost to fix this issue is $300 - $500.

Exterior

• Rust: This issue can cause the body panels to rust and corrode. The solution is to repair or replace the affected body panels. The estimated cost to fix this issue varies depending on the severity of the rust.
• Paint fading: This issue can cause the paint to fade or peel. The solution is to repaint the vehicle. The estimated cost to fix this issue varies depending on the size of the vehicle and the color of the paint.

Interior

• HVAC system failure: This issue can cause the heating, ventilation, or air conditioning system to stop working. The solution is to repair or replace the affected components of the HVAC system. The estimated cost to fix this issue varies depending on the severity of the failure.
• Seat belt failure: This issue can cause the seat belts to fail to retract or latch properly. The solution is to replace the affected seat belts. The estimated cost to fix this issue is $200 - $500 per seat belt.

Summary

The 1990 Ford F Super Duty is a powerful and reliable truck, but it is not without its issues. The most common problems reported by owners include engine failures, transmission problems, and suspension issues. The severity and cost of these issues vary depending on the specific problem, but some of them can be quite expensive to repair.