how to tell if my Ford F-150 12th Generation (2009-2014) struts are worn out or leaking?

Ford F-150 12th Generation (2009-2014)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

557 words

Problem Statement

Learn how to diagnose and replace worn or leaking struts on your Ford F-150 12th Generation (2009-2014). Step-by-step guide with symptoms and tools required.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always use jack stands when working under a vehicle.
•Wear safety goggles when using a strut spring compressor to prevent injury.

Symptoms

•Excessive bouncing or swaying while driving
•Uneven tire wear, particularly on the inner or outer edges
•Fluid leakage around the strut assembly
•Noise such as clunking or knocking when going over bumps
•Vehicle feels unstable during cornering or braking
•Increased braking distance

Diagnostic Steps

1
Check the strut assembly for any signs of fluid leakage or physical damage.
2
Push down on the front or rear of the vehicle and release; observe how many times it bounces before settling.
3
Examine the tires for uneven wear patterns that could indicate strut issues.
4
Drive over bumps or uneven surfaces and listen for any unusual sounds from the suspension.
5
Inspect the vehicle's wheel alignment; misalignment may indicate strut failure.
6
Check the condition of strut bushings and mounts for wear or degradation.

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

•Socket set
•Jack stands
•Torque wrench
•Strut spring compressor

Parts Required

•New struts (front and/or rear as needed)
•Strut mounts (if worn)
•Strut bushings (if needed)

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Diagnostic Steps

1
Check the strut assembly for any signs of fluid leakage or physical damage.
2
Push down on the front or rear of the vehicle and release; observe how many times it bounces before settling.
3
Examine the tires for uneven wear patterns that could indicate strut issues.
4
Drive over bumps or uneven surfaces and listen for any unusual sounds from the suspension.
5
Inspect the vehicle's wheel alignment; misalignment may indicate strut failure.
6
Check the condition of strut bushings and mounts for wear or degradation.

Solution

1. Preparation

Tools Required: Socket set, jack stands, torque wrench, strut spring compressor
Ensure the vehicle is parked on a flat surface and the engine is off.
Disconnect the battery to avoid any electrical issues.

2. Raise the Vehicle

Sub-steps:
1. Use a jack to lift the front or rear of the vehicle.
2. Secure the vehicle on jack stands for safety.
3. Remove the wheels to gain access to the struts.

3. Remove Struts

Sub-steps:
1. Locate and remove the bolts securing the strut to the steering knuckle.
2. Remove the top strut mount bolts located in the engine bay or trunk, depending on the strut's position.
3. Carefully detach the strut assembly from the vehicle.

4. Inspect and Replace

Sub-steps:
1. Inspect the strut for signs of damage or leakage. If damaged, proceed to replace.
2. If replacing, use a strut spring compressor to safely decompress the spring from the old strut.
3. Install the spring onto the new strut following the manufacturer’s specifications.
4. Reinstall the new or inspected strut assembly in the reverse order of removal.

5. Reassembly

Sub-steps:
1. Torque the strut mount bolts to the manufacturer's specifications (typically around 40-50 ft-lbs).
2. Reinstall the wheels and lower the vehicle.
3. Reconnect the battery.