how to identify suspension issues in 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

556 words

Problem Statement

Learn how to identify and diagnose suspension issues in Ford F-150 (2015-2020). Step-by-step guide with symptoms, diagnostic steps, and repair tips.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is securely raised and supported on jack stands before working underneath it.
•Allow the vehicle to cool down if recently driven to avoid burns from hot components.

Symptoms

•Excessive bouncing or instability while driving
•Uneven tire wear
•Difficulty steering or wandering sensation
•Noise from the suspension area (clunks or squeaks)
•Vehicle leaning to one side during turns
•Warning light illuminated on the dashboard related to suspension or stability control

Diagnostic Steps

1
Inspect tires for uneven wear patterns, which may indicate misalignment or suspension problems.
2
Visually examine suspension components (shocks, struts, control arms) for signs of damage or leaks.
3
Perform a bounce test by pushing down on each corner of the vehicle and observing how quickly it returns to the resting position.
4
Check for play in ball joints and tie rods by lifting the vehicle and moving the wheels back and forth.
5
Use an OBD-II scanner to check for any suspension-related error codes.
6
Conduct a road test to evaluate handling and ride quality, noting any abnormal noises or vibrations.

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
•Jack stands
•Wheel chocks
•OBD-II scanner
•Torque wrench
•Socket set

Parts Required

•Shocks or struts (if worn)
•Control arms (if damaged)
•Ball joints or tie rods (if excessive play is found)

Related Faults

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Diagnostic Steps

1
Inspect tires for uneven wear patterns, which may indicate misalignment or suspension problems.
2
Visually examine suspension components (shocks, struts, control arms) for signs of damage or leaks.
3
Perform a bounce test by pushing down on each corner of the vehicle and observing how quickly it returns to the resting position.
4
Check for play in ball joints and tie rods by lifting the vehicle and moving the wheels back and forth.
5
Use an OBD-II scanner to check for any suspension-related error codes.
6
Conduct a road test to evaluate handling and ride quality, noting any abnormal noises or vibrations.

Solution

1. Preparation

Tools Required: Jack, jack stands, wheel chocks, OBD-II scanner, torque wrench, and socket set.
Ensure the vehicle is on a flat surface and securely raised with jack stands.

2. Inspect Suspension Components

Sub-steps:
1. Remove the front or rear wheels as needed for better access.
2. Visually inspect shocks and struts for oil leakage or physical damage.
3. Check control arms and bushings for cracks, wear, or excessive play.
4. Inspect sway bar links and bushings for damage.

3. Perform Bounce Test

Sub-steps:
1. Push down firmly on each corner of the vehicle.
2. Observe how many times the vehicle bounces before settling; more than 2-3 bounces indicates worn shocks or struts.

4. Check for Play in Joints

Sub-steps:
1. With the vehicle raised, grasp the wheel at 3 and 9 o'clock positions and wiggle it side to side.
2. Repeat at 12 and 6 o'clock positions for vertical play.
3. If excessive movement is noted, inspect and replace ball joints or tie rods as necessary.

5. Clear Errors and Road Test

Sub-steps:
1. Use the OBD-II scanner to clear any suspension-related codes after repairs.
2. Conduct a test drive to assess handling, stability, and comfort.