why does my Ford F-150 shake when I drive over bumps?

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

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

485 words

Problem Statement

Learn how to diagnose and fix shaking in your Ford F-150 when driving over bumps. Step-by-step guide with diagnostic procedures 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 vehicle is on a flat surface before lifting.

Symptoms

•Noticeable shaking or vibrations when driving over bumps
•Deterioration in ride comfort and stability
•Possible clunking or rattling noises from the suspension
•Uneven tire wear
•Steering wheel vibration

Diagnostic Steps

1
Inspect the suspension components for wear or damage, including shocks, struts, and control arms.
2
Check the tire pressure and inspect for any bulges or uneven wear.
3
Examine the wheel alignment and condition of the tie rod ends.
4
Test the shock absorbers for proper function by performing the bounce test.
5
Look for loose or damaged bolts in the suspension system.
6
Inspect the chassis and body mounts for signs of wear or failure.

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
•Suspension inspection tool

Parts Required

•Shock absorbers (if worn)
•Suspension bolts (if damaged)

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Diagnostic Steps

1
Inspect the suspension components for wear or damage, including shocks, struts, and control arms.
2
Check the tire pressure and inspect for any bulges or uneven wear.
3
Examine the wheel alignment and condition of the tie rod ends.
4
Test the shock absorbers for proper function by performing the bounce test.
5
Look for loose or damaged bolts in the suspension system.
6
Inspect the chassis and body mounts for signs of wear or failure.

Solution

1. Preparation

Tools Required: Socket set, jack stands, torque wrench, suspension inspection tool.
Park the vehicle on a level surface and engage the parking brake.
Ensure that the engine is off and the vehicle is cool.

2. Inspect and Replace Shock Absorbers

Remove the Wheel:
- Loosen the lug nuts slightly.
- Lift the vehicle with a jack and secure it on jack stands.
- Remove the wheel to access the shock absorbers.
Remove Old Shock Absorbers:
- Locate the upper and lower mounting bolts of the shock absorber.
- Use a socket wrench to remove the bolts and detach the shock from the mounting points.
Install New Shock Absorbers:
- Position the new shock absorber in place and secure it with the bolts.
- Tighten the bolts to the manufacturer's torque specifications.
Reinstall the Wheel:
- Place the wheel back on and hand-tighten the lug nuts.
- Lower the vehicle and torque the lug nuts to the specified value.

3. Check and Adjust Wheel Alignment

Alignment Check:
- Take the vehicle to a professional shop equipped with a wheel alignment system.
- Request a four-wheel alignment check.
Adjust Alignment:
- Follow the technician's recommendations to adjust the camber, caster, and toe settings as necessary.