why does my Ford Explorer make a thumping noise when I hit a bump

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

458 words

Problem Statement

Learn how to diagnose and fix thumping noise in Ford Explorer suspension. 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 the vehicle.
•Ensure the vehicle is on a flat surface before lifting.

Symptoms

•Thumping noise when hitting bumps or potholes
•Possible rattling noise over rough terrain
•Decreased ride comfort or handling
•Uneven tire wear
•Sensation of loose steering

Diagnostic Steps

1
Inspect the suspension components visually for any visible wear or damage.
2
Check the condition of the shock absorbers/struts for leaks or physical damage.
3
Examine the control arms and bushings for signs of wear or play.
4
Test the sway bar links and bushings for looseness or damage.
5
Inspect the tires for proper inflation and tread wear patterns.
6
Raise the vehicle and perform a 'shake test' on the suspension components.

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
•Torque wrench
•Bushing removal tool
•Jack and jack stands

Parts Required

•Shock absorbers/struts
•Control arms and bushings (if worn)
•Sway bar links (if applicable)

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Diagnostic Steps

1
Inspect the suspension components visually for any visible wear or damage.
2
Check the condition of the shock absorbers/struts for leaks or physical damage.
3
Examine the control arms and bushings for signs of wear or play.
4
Test the sway bar links and bushings for looseness or damage.
5
Inspect the tires for proper inflation and tread wear patterns.
6
Raise the vehicle and perform a 'shake test' on the suspension components.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a flat surface and engage the parking brake.
Wear safety glasses and gloves.

2. Remove Damaged Components

Shock Absorbers/Struts:
- Use a socket set to remove the bolts securing the top and bottom of the shock/strut.
- Disconnect any associated components (like the sway bar link if applicable).
- Carefully lower the shock/strut from its mount.
Control Arms/Bushings:
- Remove the bolts securing the control arm to the chassis and wheel hub.
- Replace any worn bushings using a bushing removal tool.

3. Replace Components

Install New Shock Absorbers/Struts:
- Position the new shock/strut into place and secure it with the original bolts, tightening to manufacturer specifications (typically 40-50 ft-lbs).
- Reconnect any components that were removed.
Install New Control Arm/Bushings:
- Insert the new control arm into place and secure with bolts, torquing to specification (consult service manual for exact values).
- Ensure bushings are seated properly.

4. Reassemble and Lower Vehicle

Reattach any components removed for access.
Lower the vehicle to the ground and perform a final check on all fasteners.