why does my Honda Accord make a clunking noise when going over bumps

Honda Accord 9th Generation (2013-2017)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

543 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

•Ensure the vehicle is securely supported on jack stands before working underneath.
•Allow the engine to cool before opening the hood if working near the engine components.

Symptoms

•Clunking noise when driving over bumps or uneven surfaces
•Possible rattling sounds when traversing rough roads
•Vibration felt in the steering wheel or chassis
•Increased body roll during turns
•Uneven tire wear observed over time

Diagnostic Steps

1
Inspect the suspension components visually for signs of wear or damage, including control arms, struts, and bushings.
2
Check for loose or damaged exhaust components that may be causing noise.
3
Perform a bounce test on the front and rear of the vehicle to assess strut performance.
4
Examine the sway bar links and bushings for integrity and tightness.
5
Inspect the wheel bearings for play by rocking the tire at 12 and 6 o'clock positions.

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
•Safety glasses

Parts Required

•Struts (if worn)
•Bushings (if worn)
•Sway bar links (if worn)

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Diagnostic Steps

1
Inspect the suspension components visually for signs of wear or damage, including control arms, struts, and bushings.
2
Check for loose or damaged exhaust components that may be causing noise.
3
Perform a bounce test on the front and rear of the vehicle to assess strut performance.
4
Examine the sway bar links and bushings for integrity and tightness.
5
Inspect the wheel bearings for play by rocking the tire at 12 and 6 o'clock positions.

Solution

1. Preparation

Gather tools and materials, including a jack, jack stands, socket set, torque wrench, and safety glasses.
Park the vehicle on a level surface and engage the parking brake.

2. Lift the Vehicle

Use a jack to lift the front or rear of the vehicle, depending on where the noise is originating.
Secure the vehicle with jack stands to ensure safety.

3. Remove Components

For affected struts:
- Remove the wheel using a socket set.
- Disconnect the brake line bracket attached to the strut.
- Unbolt the strut from the lower control arm and the upper mounting points.

4. Inspect and Replace Components

Check for worn strut assemblies, bushings, or sway bar links.
- If worn, replace the struts or bushings. Ensure that the new parts are compatible with the Honda Accord model.
If replacing sway bar links:
- Remove the old link by unbolting it from the sway bar and lower control arm.
- Install the new sway bar link and torque to manufacturer specifications (usually around 30-40 lb-ft).

5. Reassemble the Vehicle

Reattach the strut and secure it with bolts. Torque to manufacturer specifications (typically 50-60 lb-ft).
Reconnect the brake line bracket and ensure it is routed properly.
Reinstall the wheel and hand-tighten the lug nuts.

6. Lower the Vehicle

Carefully lower the vehicle from the jack stands and remove the jack.