How to Install Control Arms on an Aston Martin

The performance and handling of an Aston Martin are legendary, thanks in part to its finely tuned suspension system. Control arms are an essential component of this system, providing stability, precise steering, and a comfortable ride. Replacing control arms on an Aston Martin requires a methodical approach to ensure the vehicle continues to deliver the superior performance for which it is renowned.

This guide provides a detailed, step-by-step process to install control arms on an Aston Martin while preserving its driving dynamics and safety features.

Why Control Arms Are Important

Control arms connect the vehicle's frame to the suspension, enabling controlled vertical wheel movement and maintaining proper alignment. The benefits of a well-functioning control arm include:

• Improved Handling: Ensures that the wheels stay aligned during cornering.
• Ride Comfort: Reduces vibrations and absorbs road shocks.
• Enhanced Safety: Maintains optimal tire contact with the road surface.

Over time, wear and tear can degrade the bushings, ball joints, or the arm itself. Replacing these components is crucial to sustaining the Aston Martin driving experience.

Tools and Materials Required

Tools:

• Floor jack and sturdy jack stands
• Torque wrench
• Pry bar
• Socket and wrench set
• Ball joint separator
• Rubber mallet

Materials:

• Replacement control arms (specific to your Aston Martin model)
• New mounting bolts and hardware

Step-by-Step Installation Process

Step 1: Prepare the Vehicle

1. Safety First: Park the vehicle on a level surface, engage the parking brake, and ensure the wheels are chocked to prevent movement.
2. Lift the Vehicle: Use a floor jack to lift the car and secure it with jack stands placed under the recommended support points in the Aston Martin’s manual.
3. Remove the Wheels: Loosen the lug nuts and remove the wheels to access the suspension system.

Step 2: Remove the Old Control Arm

1. Identify the Control Arm: Locate the control arm to be replaced (upper or lower) and inspect its mounting points.
2. Detach the Ball Joint: Use a ball joint separator or a rubber mallet to dislodge the ball joint from the hub assembly. Be gentle to avoid damaging other components.
3. Unbolt the Control Arm: Remove the bolts connecting the control arm to the chassis and suspension.
4. Extract the Control Arm: Carefully maneuver the control arm out of its position, noting its orientation for easier installation of the new part.

Step 3: Install the New Control Arm

1. Position the New Control Arm: Align the replacement control arm with the mounting points on the chassis and hub assembly.
2. Insert the Bolts: Secure the control arm using new mounting bolts, but only hand-tighten them at this stage to allow for adjustments.
3. Reconnect the Ball Joint: Fit the ball joint into the hub assembly and fasten it securely.
4. Tighten Bolts: Use a torque wrench to tighten all bolts to the specifications outlined in the Aston Martin service manual.

Step 4: Reassemble and Inspect

1. Reattach the Wheels: Mount the wheels back onto the hub and hand-tighten the lug nuts.
2. Lower the Vehicle: Carefully lower the car to the ground using the floor jack.
3. Final Torque Check: Fully tighten the lug nuts and verify that all suspension bolts are secured to the correct torque settings.
4. Test Drive: Take the vehicle for a short drive on a smooth road to ensure everything functions as expected. Listen for any unusual noises and check for proper alignment.

Post-Installation Considerations

Alignment Check

Any suspension work, including control arm replacement, can affect wheel alignment. Schedule a professional alignment to ensure optimal performance and tire longevity.

Regular Maintenance

Periodic inspections of the suspension system can prevent premature wear and maintain the car's impeccable handling.

Key Tips for Success

1. Follow the Manual: Always refer to your Aston Martin’s service manual for precise specifications.
2. Use High-Quality Parts: Opt for control arms designed specifically for your Aston Martin model to ensure compatibility and performance.
3. Work Methodically: Take your time during installation to avoid damaging other suspension components.

Replacing control arms on an Aston Martin is a task that requires careful planning and attention to detail. By following this guide, you can ensure the job is done correctly, preserving the vehicle’s legendary handling and ride quality. Regular maintenance and proper installation techniques are key to keeping your Aston Martin in top condition, delivering the driving experience it was engineered for.