how to diagnose strut issues on Ford F-150 13th Generation (2015-2020)

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

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

517 words

Problem Statement

Learn how to diagnose and fix strut issues on Ford F-150 (2015-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

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.
•Ensure the strut spring compressor is properly used to avoid injury.

Symptoms

•Abnormal noise such as clunking or rattling from the front suspension
•Excessive bouncing or swaying while driving
•Uneven tire wear, particularly on the inner or outer edges
•Vehicle feels unstable during cornering
•Visible fluid leakage around the strut assembly

Diagnostic Steps

1
Inspect the strut assemblies visually for any signs of oil leakage or physical damage.
2
Perform a bounce test by pushing down on the front of the vehicle and observing how it rebounds.
3
Check for any abnormal noises while driving over bumps or rough surfaces.
4
Measure the tire tread depth and inspect for uneven wear patterns.
5
Use a diagnostic scan tool to check for any suspension-related fault codes.

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

•Replacement strut assemblies (if necessary)
•Strut top mounts (if worn)
•Coil springs (if damaged)

Related Faults

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Diagnostic Steps

1
Inspect the strut assemblies visually for any signs of oil leakage or physical damage.
2
Perform a bounce test by pushing down on the front of the vehicle and observing how it rebounds.
3
Check for any abnormal noises while driving over bumps or rough surfaces.
4
Measure the tire tread depth and inspect for uneven wear patterns.
5
Use a diagnostic scan tool to check for any suspension-related fault codes.

Solution

1. Preparation

Tools Required: Jack and jack stands, lug wrench, socket set, torque wrench, strut spring compressor.
Lift the front of the vehicle using a jack and secure it on jack stands. Remove the front wheels using a lug wrench.

2. Remove Strut Assembly

Sub-steps:
1. Remove the brake line bracket attached to the strut assembly.
2. Disconnect any electrical connections, if applicable, such as the ABS sensor wire.
3. Remove the bolts securing the strut to the steering knuckle and lower control arm.
4. Unbolt the top strut mount from the engine bay (typically requires accessing under the hood).

3. Inspect and Replace Components

Sub-steps:
1. Use a strut spring compressor to safely compress the coil spring before removing it from the strut.
2. Inspect the strut for signs of wear or damage; replace if necessary.
3. Inspect the top mount and bearing, replacing if they show signs of wear.

4. Install New or Repaired Strut Assembly

Sub-steps:
1. If new struts are installed, follow the manufacturer’s torque specifications for the assembly.
2. Reinstall the strut assembly in reverse order of removal.
3. Ensure all bolts are tightened to the manufacturer's specifications.

5. Reassemble and Test

Sub-steps:
1. Reattach the wheels and lower the vehicle.
2. Perform a test drive to ensure proper handling and check for any abnormal noises.