how do I know if my Ford F-150's struts are bad

Ford F-150 13th Generation (2015-2020)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

527 words

Problem Statement

Learn how to diagnose and fix bad struts on your Ford F-150. Step-by-step guide with symptoms, diagnostic steps, tools, and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always wear safety goggles when working with suspension components.
•Ensure the vehicle is securely supported before working underneath it.

Symptoms

•Excessive bouncing or swaying while driving
•Uneven tire wear
•Fluid leaks around the strut assembly
•Noise during bumps or over rough roads (clunking or rattling sounds)
•Vehicle dipping or squatting during braking
•Poor handling or difficulty steering

Diagnostic Steps

1
Visually inspect the struts for any signs of damage or leaking fluid.
2
Perform a bounce test by pushing down on each corner of the vehicle and observing how it responds.
3
Check for uneven tire wear patterns that could indicate strut issues.
4
Listen for unusual noises when driving over bumps or rough surfaces.
5
Inspect the surrounding suspension components for wear or damage.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Jack and jack stands
•Lug wrench
•Socket set
•Torque wrench
•Strut spring compressor

Parts Required

•New strut assemblies (front and/or rear)
•New strut mounts (if needed)

Related Faults

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Diagnostic Steps

1
Visually inspect the struts for any signs of damage or leaking fluid.
2
Perform a bounce test by pushing down on each corner of the vehicle and observing how it responds.
3
Check for uneven tire wear patterns that could indicate strut issues.
4
Listen for unusual noises when driving over bumps or rough surfaces.
5
Inspect the surrounding suspension components for wear or damage.

Solution

1. Preparation

Gather tools and parts needed for the replacement.
Ensure the vehicle is parked on a flat surface, and engage the parking brake.

2. Lift the Vehicle

Use a jack to lift the front or rear of the vehicle as required.
Secure the vehicle with jack stands to ensure safety.

3. Remove Wheel

Use a lug wrench to remove the lug nuts and take off the wheel.
Store the lug nuts in a safe location.

4. Remove Strut Assembly

Disconnect any brake line brackets or ABS sensors attached to the strut.
Remove the lower strut mounting bolts using a socket set.
Remove the upper strut mounting nuts located under the hood or in the trunk (depending on the model year).
Carefully extract the strut assembly from the vehicle.

5. Install New Strut

Position the new strut assembly in place.
Secure the upper strut mounting nuts and torque to manufacturer's specifications.
Reattach the lower strut mounting bolts and torque them accordingly.
Reconnect any brake lines or ABS sensors that were removed.

6. Reinstall Wheel

Place the wheel back onto the hub.
Hand-tighten the lug nuts, then lower the vehicle and use a torque wrench to tighten the lug nuts to proper specifications.

7. Final Inspection

Check all connections and components to ensure everything is securely in place.
Lower the vehicle completely and perform a bounce test to verify proper installation.