my Honda Accord 10th Generation (2018-2022) has a loud knocking noise when driving

Honda Accord 8th Generation (2008-2012)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

515 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix loud knocking noise in Honda Accord 10th Generation. 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 electrical systems.
•Ensure the vehicle is securely lifted and supported with jack stands before working underneath.

Symptoms

•Loud knocking noise during acceleration or deceleration
•Noise increases with vehicle speed
•Vibration felt in the steering wheel or floorboard
•Possible clunking sound when going over bumps
•Check engine light may be illuminated

Diagnostic Steps

1
Conduct a visual inspection of the suspension components for any visible damage or wear.
2
Check for loose or damaged engine mounts using a pry bar to test for movement.
3
Inspect the CV joints and axles for any signs of wear or damage.
4
Test-drive the vehicle to determine if the noise is consistent under various driving conditions.
5
Scan for error codes using an OBD-II scanner if the check engine light is illuminated.

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
•Wrench set
•Torque wrench
•CV joint puller

Parts Required

•Struts or shocks (if found worn)
•Engine mounts (if found damaged)
•CV axle assembly (if found damaged)

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Diagnostic Steps

1
Conduct a visual inspection of the suspension components for any visible damage or wear.
2
Check for loose or damaged engine mounts using a pry bar to test for movement.
3
Inspect the CV joints and axles for any signs of wear or damage.
4
Test-drive the vehicle to determine if the noise is consistent under various driving conditions.
5
Scan for error codes using an OBD-II scanner if the check engine light is illuminated.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to ensure safety while working on electrical components.

2. Inspect and Replace Suspension Components

Sub-steps:
- Lift the vehicle using a jack and secure it on jack stands.
- Remove the wheel to access the suspension system.
- Inspect struts, shocks, and control arms for damage or wear.
- Replace any worn components with new parts (e.g., struts, bushings).
Tools Required: Jack, jack stands, socket set, wrench set.

3. Check and Replace Engine Mounts

Sub-steps:
- Remove any components obstructing access to the engine mounts.
- Inspect the mounts for cracks or excessive movement.
- Remove the old mounts using a socket set and install new engine mounts.
- Tighten bolts to the manufacturer’s torque specifications.
Tools Required: Socket set, torque wrench.

4. Inspect and Replace CV Joints/Axles

Sub-steps:
- With the vehicle still lifted, inspect the CV boots for tears or grease leakage.
- If damaged, remove the axle nut and disconnect the CV joint from the hub.
- Replace the CV axle assembly if necessary.
- Reassemble and tighten to manufacturer specifications.
Tools Required: Socket set, CV joint puller, torque wrench.