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

532 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

•Always use jack stands when working under the vehicle.
•Disconnect the battery before working on electronic components to avoid short circuits.

Symptoms

•Clunking noise when crossing bumps or uneven surfaces
•Excessive body roll during turns
•Uneven tire wear
•Poor ride quality or harshness
•Vibration in the steering wheel

Diagnostic Steps

1
Inspect the suspension components visually for any signs of damage or wear, such as cracked bushings or damaged struts.
2
Check for loose bolts or fasteners on the suspension assembly.
3
Perform a bounce test by pushing down on each corner of the vehicle to see if it rebounds normally.
4
Examine the sway bar links and bushings for wear or damage.
5
Test drive the vehicle over bumps while a second person listens for the source of the noise from outside the car.

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

Parts Required

•Shock absorbers or struts (if damaged)
•Sway bar links
•Sway bar bushings (if worn)

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Diagnostic Steps

1
Inspect the suspension components visually for any signs of damage or wear, such as cracked bushings or damaged struts.
2
Check for loose bolts or fasteners on the suspension assembly.
3
Perform a bounce test by pushing down on each corner of the vehicle to see if it rebounds normally.
4
Examine the sway bar links and bushings for wear or damage.
5
Test drive the vehicle over bumps while a second person listens for the source of the noise from outside the car.

Solution

1. Preparation

Gather tools and parts necessary for the repair.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Disconnect the battery if working on electronic components.

2. Inspect and Replace Shock Absorbers/Struts

Sub-steps:
- Raise the vehicle securely on jack stands and remove the wheels.
- Locate the shock absorbers or struts and inspect them for leaks or physical damage.
- Remove the bolts securing the upper and lower ends of the strut/shock absorber using a socket set.
- Replace the damaged strut/shock absorber with a new one and torque the bolts to the manufacturer's specifications (usually around 30-50 ft-lbs).
- Reattach the wheels and lower the vehicle.

3. Replace Sway Bar Links and Bushings

Sub-steps:
- Locate the sway bar links and bushings by following the sway bar from the center to the end links.
- Remove the nuts securing the sway bar links using a wrench and socket.
- Replace the old links with new ones and torque them to the manufacturer's specifications.
- Inspect and replace any worn bushings while the sway bar is removed.

4. Tighten or Replace Loose Bolts

Sub-steps:
- Inspect all suspension bolts for tightness, including control arms and subframe bolts.
- If any bolts are loose, tighten them to the recommended torque specifications.
- Replace any damaged bolts or nuts as necessary.