How to Restore and Upgrade the Suspension System of a Classic Ford Bronco

Introduction

The suspension system of a classic Ford Bronco (1980-1990) is designed to provide comfort and control, both on-road and off-road. Over time, components like shock absorbers, springs, and bushings may wear out, affecting the vehicle’s ride quality and safety. This article will guide you through restoring and upgrading your Bronco’s suspension system for improved performance and durability.

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1. Components of the Suspension System

The suspension system in a Ford Bronco includes:

• Front Suspension:
  • Coil Springs.
  • Radius Arms.
  • Shock Absorbers.
  • Steering Stabilizer.
• Rear Suspension:
  • Leaf Springs.
  • Shackles and U-Bolts.
  • Shock Absorbers.
• Additional Components:
  • Stabilizer Bars.
  • Bushings.
  • Ball Joints.

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2. Signs Your Suspension Needs Attention

Common symptoms indicating suspension problems include:

1. Excessive Body Roll:
   • Cause: Worn stabilizer bars or bushings.
   • Solution: Replace bushings and check stabilizer mounts.
2. Sagging Ride Height:
   • Cause: Weak or broken coil or leaf springs.
   • Solution: Replace springs and inspect mounting hardware.
3. Bumpy or Rough Ride:
   • Cause: Worn-out shock absorbers.
   • Solution: Install new shocks.
4. Clunking Noises:
   • Cause: Damaged bushings or loose components.
   • Solution: Tighten or replace affected parts.
5. Poor Handling:
   • Cause: Misaligned suspension or worn ball joints.
   • Solution: Align the suspension and replace worn parts.

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3. Step-by-Step Guide to Suspension Restoration

A. Front Suspension

1. Inspect and Replace Coil Springs:
   • Check for sagging or damage; install new heavy-duty springs if needed.
   • Recommended Part: Front Coil Springs (Part Number: FS320).
2. Install New Shock Absorbers:
   • Remove old shocks and replace them with upgraded units.
   • Recommended Part: Front Shocks (Part Number: SHK400).
3. Check Radius Arm Bushings:
   • Replace worn bushings to improve stability.

B. Rear Suspension

1. Replace Leaf Springs:
   • Inspect for cracks or wear; replace with new springs.
   • Recommended Part: Rear Leaf Springs (Part Number: LS450).
2. Install Rear Shock Absorbers:
   • Upgrade to heavy-duty shocks for better load handling.
   • Recommended Part: Rear Shocks (Part Number: RSH300).
3. Tighten U-Bolts:
   • Ensure U-bolts are securely fastened or replace them.

C. Stabilizer Bars and Bushings

1. Inspect Stabilizer Bars:
   • Check for wear or damage; replace as needed.
   • Recommended Part: Stabilizer Bar Kit (Part Number: SB350).
2. Replace Worn Bushings:
   • Install polyurethane bushings for increased durability.

D. Steering Stabilizer

1. Replace the Stabilizer:
   • Install a new steering stabilizer to reduce vibrations.
   • Recommended Part: Steering Stabilizer (Part Number: SS400).

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4. Suspension Upgrades

Consider these upgrades to enhance your Bronco’s suspension system:

1. Lift Kits:
   • Add ground clearance for off-road adventures.
   • Recommended Part: 3-Inch Lift Kit (Part Number: LK300).
2. Adjustable Shocks:
   • Allow you to fine-tune damping for different terrains.
   • Recommended Part: Adjustable Shock Kit (Part Number: AS400).
3. Reinforced Control Arms:
   • Provide better strength and durability for off-road use.
   • Recommended Part: Control Arm Kit (Part Number: CA450).
4. Dual Steering Stabilizers:
   • Improve handling and reduce bump steer.
   • Recommended Part: Dual Steering Stabilizer Kit (Part Number: DSS500).
5. Polyurethane Bushings:
   • Upgrade rubber bushings for enhanced longevity.
   • Recommended Part: Polyurethane Bushing Kit (Part Number: PB300).

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5. Tools Required for Suspension Restoration

• Hydraulic jack and jack stands.
• Torque wrench.
• Spring compressor.
• Socket and wrench set.
• Ball joint press tool.

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6. Maintenance Tips for Suspension

1. Inspect Regularly:
   • Check components every 10,000 miles or after off-road use.
2. Lubricate Moving Parts:
   • Grease bushings, ball joints, and control arms regularly.
3. Clean After Off-Roading:
   • Wash away dirt and debris to prevent corrosion.
4. Align the Suspension:
   • Perform an alignment after any suspension work.
5. Replace in Pairs:
   • Always replace shocks, springs, or stabilizers on both sides for balanced performance.

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7. Recommended Replacement Parts

Here’s a list of commonly needed parts for restoring the suspension system:

• Front Coil Springs: Part Number: FS320.
• Rear Leaf Springs: Part Number: LS450.
• Front Shocks: Part Number: SHK400.
• Rear Shocks: Part Number: RSH300.
• 3-Inch Lift Kit: Part Number: LK300.
• Stabilizer Bar Kit: Part Number: SB350.

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Conclusion

Restoring and upgrading the suspension system of a classic Ford Bronco improves ride quality, safety, and off-road capabilities. With the right tools, parts, and this guide, you can ensure your Bronco is ready for any terrain, from smooth highways to rugged trails.