why does my Ford Explorer make a clunking noise over bumps

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

478 words

Problem Statement

Learn how to diagnose and fix clunking noise in Ford Explorer's 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 a vehicle.
•Allow the vehicle to cool down before working on suspension to avoid burns.

Symptoms

•Clunking noise upon hitting bumps or potholes
•Noticeable vibration felt in the cabin
•Possible rattling noise when driving over uneven surfaces
•Decreased ride comfort
•Check suspension components visually may reveal signs of wear

Diagnostic Steps

1
Inspect suspension components visually for wear or damage, including shocks, struts, and bushings.
2
Check for loose or missing hardware in suspension assemblies.
3
Test the shock absorbers by pushing down on each corner of the vehicle and observing the rebound behavior.
4
Look for any signs of fluid leakage from the shocks or struts.
5
Examine the sway bar links and bushings for wear or damage.
6
Check the mounting points of the suspension for any signs of looseness or damage.

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

•Hydraulic jack
•Jack stands
•Socket set
•Torque wrench
•Wrench set

Parts Required

•Replacement shocks or struts
•Replacement sway bar links
•Suspension bushings (if worn)

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Diagnostic Steps

1
Inspect suspension components visually for wear or damage, including shocks, struts, and bushings.
2
Check for loose or missing hardware in suspension assemblies.
3
Test the shock absorbers by pushing down on each corner of the vehicle and observing the rebound behavior.
4
Look for any signs of fluid leakage from the shocks or struts.
5
Examine the sway bar links and bushings for wear or damage.
6
Check the mounting points of the suspension for any signs of looseness or damage.

Solution

1. Preparation

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

2. Raise the Vehicle

Use a hydraulic jack to lift the vehicle and secure it with jack stands.
Ensure the vehicle is stable before proceeding.

3. Inspect and Replace Components

Shocks/Struts Replacement:
- Remove the bolts securing the strut assembly to the knuckle.
- Unbolt the top strut mount from the vehicle body.
- Remove the strut assembly from the vehicle.
- Install new struts or shocks by reversing the removal process. Ensure to torque the bolts to manufacturer specifications (typically around 20-30 ft-lbs, but verify with service manual).
Sway Bar Link Replacement:
- Disconnect the sway bar link from the sway bar and lower control arm.
- Replace with new sway bar links, ensuring that the nuts are tightened to specifications (usually around 40 ft-lbs).

4. Reassemble and Lower Vehicle

Reattach any components that were removed.
Lower the vehicle and remove jack stands.
Tighten all bolts to specified torque values.