why does my Ford Explorer make a clunking noise when I go over bumps

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

486 words

Problem Statement

Learn how to diagnose and fix clunking noise over bumps in Ford Explorer. 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 ensure the vehicle is securely lifted and supported on jack stands before working underneath.

Symptoms

•Clunking noise when the vehicle goes over bumps
•Loose handling or feeling of instability
•Decreased ride comfort
•Visible signs of wear on suspension components
•Occasional creaking or groaning noises during turns

Diagnostic Steps

1
Inspect the suspension components visually for signs of wear or damage.
2
Check for loose or missing bolts on suspension parts such as control arms and sway bar links.
3
Perform a bounce test by applying weight to each corner of the vehicle to assess the shock absorbers' performance.
4
Use a pry bar to check for play in the suspension bushings and joints.
5
Listen for noise while slowly compressing and releasing the suspension manually if possible.

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
•Socket set
•Torque wrench
•Pry bar
•Screwdrivers

Parts Required

•Control arm bushings
•Shock absorbers
•Sway bar links

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Diagnostic Steps

1
Inspect the suspension components visually for signs of wear or damage.
2
Check for loose or missing bolts on suspension parts such as control arms and sway bar links.
3
Perform a bounce test by applying weight to each corner of the vehicle to assess the shock absorbers' performance.
4
Use a pry bar to check for play in the suspension bushings and joints.
5
Listen for noise while slowly compressing and releasing the suspension manually if possible.

Solution

1. Preparation

Gather tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Wear appropriate safety gear, such as gloves and safety glasses.

2. Raise the Vehicle

Use a jack to lift the vehicle and secure it with jack stands.
Remove the wheels to access suspension components.

3. Inspect and Replace Suspension Components

Control Arms and Bushings:
- Inspect control arms for cracks or bends.
- Check bushings for excessive wear or tearing.
- If necessary, remove the control arm using a socket set (torque values typically around 50-70 ft-lbs for control arm bolts) and replace the bushings.
Shock Absorbers:
- Check for signs of leakage or damage on the shock absorbers.
- If replacement is needed, unbolt the upper and lower shock mount (usually 15-18 ft-lbs torque for upper bolts) and replace with new shocks.
Sway Bar Links:
- Inspect sway bar links for looseness or wear.
- Replace links if they are damaged by removing the nuts and bolts (typically 40-50 ft-lbs torque) and installing new ones.

4. Reassemble and Lower Vehicle

Reinstall the wheels and lower the vehicle back to the ground.
Torque wheel lug nuts to the manufacturer's specification (usually around 100-120 ft-lbs).