my Honda Accord has a clunking noise when going over bumps, what's wrong?

Honda Accord Eleventh Generation (2023-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

488 words

Problem Statement

Learn how to diagnose and fix clunking noise in Honda Accord 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

•Disconnect the battery before working on any electrical components.
•Allow the vehicle to cool before working on the suspension to avoid burns.

Symptoms

•Clunking noise when driving over bumps or uneven surfaces
•Possible vibration felt through the steering wheel
•Unusual handling characteristics, such as swaying or excessive body roll
•Potential knocking sound during sharp turns
•Increased tire wear

Diagnostic Steps

1
Inspect the suspension components visually for any signs of wear or damage.
2
Check for loose or damaged bolts and bushings in the suspension system.
3
Examine the struts and shocks for leaks or physical damage.
4
Test the sway bar links for play or looseness.
5
Lift the vehicle and shake the wheel to check for play in wheel bearings and suspension joints.

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 tool
•Jack
•Jack stands

Parts Required

•Struts or shocks (if worn)
•Bushings (if damaged)
•Sway bar links (if loose)

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Diagnostic Steps

1
Inspect the suspension components visually for any signs of wear or damage.
2
Check for loose or damaged bolts and bushings in the suspension system.
3
Examine the struts and shocks for leaks or physical damage.
4
Test the sway bar links for play or looseness.
5
Lift the vehicle and shake the wheel to check for play in wheel bearings and suspension joints.

Solution

1. Preparation

Gather necessary tools and parts.
Safely lift the vehicle and secure it on jack stands.
Wear safety goggles and gloves for protection.

2. Inspect and Replace Worn Components

Inspect Suspension Components:
- Check struts, shocks, and springs for any leaks or physical damage.
- Inspect control arms for cracks or wear.
Replace Components if Necessary:
- If struts or shocks are worn, remove them using a socket set.
- Install new struts/shocks, ensuring they are torqued to manufacturer specifications (typically around 30-50 ft-lbs).

3. Tighten or Replace Bolts and Bushings

Check and Tighten:
- Use a torque wrench to ensure all bolts are tightened to the specified torque values.
Replace Worn Bushings:
- If bushings are damaged, remove and replace them. This may involve pressing out old bushings and pressing in new ones using a bushing tool.

4. Inspect and Replace Sway Bar Links

Remove Sway Bar Links:
- Use a wrench to remove the sway bar link bolts.
Install New Links:
- Replace with new sway bar links and torque to manufacturer specifications.

5. Reassemble and Lower Vehicle

Ensure all components are securely fastened.
Reinstall any underbody covers if removed.
Carefully lower the vehicle back to the ground.