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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

550 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 before working on any components.

Symptoms

•Clunking noise when driving over bumps
•Noise may vary with speed or weight in the vehicle
•Possible rattling sounds during or after bumps
•Increased vibration felt in the cabin
•Steering may feel loose or unresponsive

Diagnostic Steps

1
Inspect the vehicle visually for any obvious signs of damage or wear in the suspension components.
2
Check for loose or damaged exhaust components that may be causing the noise.
3
Perform a bounce test on each corner of the vehicle to assess shock absorber function.
4
Use a jack to lift the vehicle and inspect the control arms, ball joints, and bushings for play or damage.
5
Check the sway bar links and bushings for wear or looseness.
6
Inspect the tires for uneven wear or damage that could contribute to noise.

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
•Socket set
•Torque wrench
•Pry bar
•Ball joint press

Parts Required

•Control arms (if damaged)
•Ball joints (if worn)
•Sway bar links and bushings (if needed)

Related Faults

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Diagnostic Steps

1
Inspect the vehicle visually for any obvious signs of damage or wear in the suspension components.
2
Check for loose or damaged exhaust components that may be causing the noise.
3
Perform a bounce test on each corner of the vehicle to assess shock absorber function.
4
Use a jack to lift the vehicle and inspect the control arms, ball joints, and bushings for play or damage.
5
Check the sway bar links and bushings for wear or looseness.
6
Inspect the tires for uneven wear or damage that could contribute to noise.

Solution

1. Preparation

Park the vehicle on a level surface and set the parking brake.
Gather all tools and parts before starting the repair.
Tools Required: Jack, jack stands, socket set, torque wrench, pry bar, and possibly a bushing tool.

2. Inspect Suspension Components

Lift the vehicle using a jack and secure it with jack stands.
Remove the front and/or rear wheels as needed for better access.
Check the condition of the control arms, ball joints, and bushings for signs of wear or damage.
If any components are found to be damaged, proceed to replace them.

3. Replace Damaged Components

Control Arm Replacement:
- Remove the bolts securing the control arm to the frame and the ball joint.
- Install the new control arm and torque the bolts to manufacturer specifications (typically around 70-90 ft-lbs).
Ball Joint Replacement:
- Use a ball joint press to remove the old ball joint from the control arm.
- Press in the new ball joint and secure it with the retaining clip.
Sway Bar Link Replacement:
- Remove the nuts securing the sway bar link to the sway bar and control arm.
- Install the new sway bar link and torque to specifications (usually 40-50 ft-lbs).

4. Reassemble and Lower the Vehicle

Reattach the wheels and lower the vehicle back to the ground.
Torque the wheel lug nuts to the manufacturer’s specifications (typically 100-120 ft-lbs).