Restoring and Upgrading the Steering System of a Classic Ford Bronco

Introduction

The steering system of a classic Ford Bronco (1980-1990) is essential for control and handling. Over time, components like the steering box, tie rods, and power steering pump can wear out, leading to poor steering response and increased effort. This article provides a detailed guide on how to restore and upgrade the Bronco’s steering system to improve performance and reliability.

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1. Key Components of the Steering System

The Bronco’s steering system consists of the following:

• Steering Wheel and Column:
  • Connects driver input to the steering box.
• Steering Box:
  • Converts steering wheel rotation into lateral motion for the wheels.
• Tie Rods and Drag Link:
  • Transmit motion from the steering box to the wheels.
• Power Steering Pump:
  • Assists in turning the wheels with hydraulic pressure.
• Pitman Arm:
  • Connects the steering box to the drag link.
• Steering Stabilizer:
  • Reduces vibrations and improves steering control.

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2. Signs of Steering System Problems

Recognizing these signs can help you address steering issues early:

1. Loose or Unresponsive Steering:
   • Cause: Worn steering box or tie rods.
   • Solution: Adjust or replace the steering box and inspect tie rods.
2. Difficulty Turning:
   • Cause: Failing power steering pump or low fluid.
   • Solution: Replace the pump or refill the fluid.
3. Steering Wheel Vibration:
   • Cause: Worn drag link or unbalanced wheels.
   • Solution: Replace the drag link and balance the wheels.
4. Leaking Power Steering Fluid:
   • Cause: Cracked hoses or a faulty pump.
   • Solution: Replace the damaged hoses or pump.
5. Steering Pulls to One Side:
   • Cause: Misaligned wheels or uneven tire pressure.
   • Solution: Align the wheels and check tire pressure.

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3. Restoring the Steering System

A. Steering Box

1. Inspect and Adjust:
   • Check for excessive play and adjust the preload if needed.
2. Replace if Worn:
   • Install a remanufactured steering box for better performance.
   • Recommended Part: Steering Box (Part Number: SB450).

B. Power Steering Pump

1. Check for Noise or Leaks:
   • Inspect for whines or leaks during operation.
2. Replace or Rebuild:
   • Install a new or rebuilt pump with fresh fluid.
   • Recommended Part: Power Steering Pump (Part Number: PS450).

C. Tie Rods and Drag Link

1. Inspect for Wear:
   • Look for looseness or damage in the joints.
2. Replace Worn Components:
   • Upgrade to heavy-duty tie rods and drag links for durability.
   • Recommended Parts:
     • Tie Rod End Kit (Part Number: TRE320).
     • Heavy-Duty Drag Link (Part Number: DL450).

D. Pitman Arm

1. Check for Wear or Damage:
   • Inspect for cracks or looseness at the steering box connection.
2. Replace with an Upgraded Arm:
   • Install a drop pitman arm if you have a suspension lift.
   • Recommended Part: Drop Pitman Arm (Part Number: PA302).

E. Steering Stabilizer

1. Test for Steering Vibrations:
   • If vibrations occur, inspect the stabilizer for damage.
2. Replace or Upgrade:
   • Install a dual stabilizer for better off-road control.
   • Recommended Part: Dual Steering Stabilizer (Part Number: SS400).

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4. Upgrading the Steering System

For improved performance and off-road capabilities, consider these upgrades:

1. Quick-Ratio Steering Box:
   • Reduces the number of turns needed for full steering lock.
   • Recommended Part: Quick-Ratio Steering Box (Part Number: QRS302).
2. Hydraulic Assist Steering:
   • Adds a hydraulic ram to assist with steering, ideal for large tires.
   • Recommended Part: Hydraulic Assist Kit (Part Number: HAK500).
3. Heavy-Duty Tie Rods:
   • Reinforced rods for durability in rugged terrain.
   • Recommended Part: Heavy-Duty Tie Rod Kit (Part Number: HTR320).
4. Steering Column Upgrade:
   • Install a tilt or collapsible column for improved comfort and safety.
   • Recommended Part: Steering Column Assembly (Part Number: SCA450).

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5. Tools Required for Steering System Restoration

• Torque wrench.
• Pitman arm puller.
• Tie rod end removal tool.
• Hydraulic fluid pump.
• Socket and wrench set.

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6. Maintenance Tips for the Steering System

1. Check Fluid Levels Regularly:
   • Inspect power steering fluid every 3 months and refill if needed.
2. Grease Joints and Bearings:
   • Lubricate tie rods and drag link joints every 6 months.
3. Inspect for Wear:
   • Check all steering components every 12 months or after heavy off-road use.
4. Align the Wheels:
   • Perform alignment after any suspension or steering work.
5. Replace Hoses and Seals:
   • Inspect hoses for cracks and replace as needed to prevent leaks.

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7. Recommended Replacement Parts

Here are commonly needed parts for restoring and upgrading the steering system:

• Steering Box: Part Number: SB450.
• Power Steering Pump: Part Number: PS450.
• Tie Rod End Kit: Part Number: TRE320.
• Heavy-Duty Drag Link: Part Number: DL450.
• Drop Pitman Arm: Part Number: PA302.
• Dual Steering Stabilizer: Part Number: SS400.
• Quick-Ratio Steering Box: Part Number: QRS302.

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Conclusion

Restoring and upgrading the steering system of a classic Ford Bronco ensures better handling, improved safety, and enhanced off-road performance. Whether you’re restoring the stock system or upgrading for rugged terrain, following this guide will keep your Bronco steering with precision and confidence.