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

Honda Accord 9th Generation (2013-2017)

Error Codes

3-5 hours

Time

medium

Difficulty

medium

Severity

3 min read

562 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

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always use jack stands when working under a vehicle.
•Disconnect the battery before working on electrical components if applicable.

Symptoms

•Clunking noise when going over bumps
•Vehicle feels unstable or bouncy
•Excessive body roll during turns
•Uneven tire wear
•Possible rattling sounds from the suspension area

Diagnostic Steps

1
Inspect the suspension components visually for any signs of damage or wear.
2
Check for loose or damaged bolts on the control arms and strut assemblies.
3
Perform a bounce test on each corner of the vehicle to assess shock absorber functionality.
4
Examine the sway bar links and bushings for wear or detachment.
5
Inspect the tie rod ends for excessive play or damage.
6
Check the wheel bearings for wear or noise during rotation.

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
•Jack and jack stands
•Wrench set
•Safety goggles
•Gloves

Parts Required

•Control arms (if damaged)
•Shock absorbers
•Sway bar links
•Bushings
•Tie rod ends

Related Faults

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Diagnostic Steps

1
Inspect the suspension components visually for any signs of damage or wear.
2
Check for loose or damaged bolts on the control arms and strut assemblies.
3
Perform a bounce test on each corner of the vehicle to assess shock absorber functionality.
4
Examine the sway bar links and bushings for wear or detachment.
5
Inspect the tie rod ends for excessive play or damage.
6
Check the wheel bearings for wear or noise during rotation.

Solution

1. Preparation

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

2. Raise the Vehicle

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

3. Inspect and Replace Suspension Components

Control Arms:
- Inspect the control arms for cracks or deformation.
- If damaged, remove the bolts securing the control arm and replace it with a new one.
- Torque the new control arm bolts to manufacturer specifications (typically around 50-60 ft-lbs).
Shock Absorbers:
- Remove the bolts securing the shock absorbers at both the top and bottom.
- Replace with new shock absorbers, ensuring they are oriented correctly.
- Torque the shock absorber bolts to manufacturer specifications (usually around 25-35 ft-lbs).
Sway Bar Links and Bushings:
- Detach the sway bar links from both the sway bar and the control arm.
- Replace with new sway bar links and bushings.
- Torque the bolts to specifications (generally around 30-40 ft-lbs).
Tie Rod Ends:
- Remove the cotter pin and castle nut from the tie rod end.
- Replace with a new tie rod end, ensuring proper alignment.
- Torque the castle nut to specifications (typically around 30-35 ft-lbs) and install a new cotter pin.

4. Reassemble the Vehicle

Reinstall the wheels and lower the vehicle.
Tighten the lug nuts to the proper torque (usually around 80-100 ft-lbs).

5. Final Check

Inspect the work area for any tools or parts left behind.
Ensure all components are securely fastened.