my Honda Civic 9th Generation (2012-2015) makes a knocking noise when driving

Honda Civic 9th Generation (2012-2015)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

600 words

Problem Statement

Learn how to diagnose and fix knocking noise in Honda Civic 9th Generation (2012-2015). 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.
•Always support the vehicle securely with jack stands before working underneath it.

Symptoms

•Knocking noise when driving, especially over bumps or uneven surfaces
•Vibration felt through the steering wheel or floorboard
•Noise may increase with speed or during acceleration
•Potential clunking sound during turns
•Loose or worn components noticeable during inspection

Diagnostic Steps

1
Visual Inspection: Check for any visible damage or wear to suspension components, engine mounts, and drivetrain parts.
2
Check for Loose Bolts: Inspect and tighten all bolts in the suspension and drivetrain areas.
3
Test Drive: Drive the vehicle on different surfaces (smooth, rough, and turns) to replicate the noise and determine its source.
4
Inspect Engine Mounts: Use a pry bar to check for excessive movement in engine mounts.
5
Examine CV Joints and Axles: Look for any signs of wear or damage on the constant velocity (CV) joints and axles.
6
Check Struts and Shock Absorbers: Verify that struts and shocks are functioning properly and not leaking fluid.

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 and jack stands
•Socket set
•Torque wrench
•Pry bar
•Flashlight
•Safety glasses

Parts Required

•Suspension components (control arms, bushings, struts, or shocks)
•Engine mounts (if necessary)
•CV joints or axle assembly (if necessary)

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Diagnostic Steps

1
Visual Inspection: Check for any visible damage or wear to suspension components, engine mounts, and drivetrain parts.
2
Check for Loose Bolts: Inspect and tighten all bolts in the suspension and drivetrain areas.
3
Test Drive: Drive the vehicle on different surfaces (smooth, rough, and turns) to replicate the noise and determine its source.
4
Inspect Engine Mounts: Use a pry bar to check for excessive movement in engine mounts.
5
Examine CV Joints and Axles: Look for any signs of wear or damage on the constant velocity (CV) joints and axles.
6
Check Struts and Shock Absorbers: Verify that struts and shocks are functioning properly and not leaking fluid.

Solution

1. Preparation

Tools Required: Jack and jack stands, socket set, torque wrench, pry bar, flashlight, and safety glasses.
Ensure the vehicle is on a flat surface and secure before starting work.

2. Replace Worn Suspension Components

Sub-steps:
1. Raise the vehicle using a jack and secure it with jack stands.
2. Remove the wheel to gain access to suspension components.
3. Inspect control arms, bushings, and struts for wear; replace any compromised parts.
4. If struts or shocks are worn, remove them by unbolting from the top and bottom mounts, then replace with new units. Use a torque wrench to tighten bolts to manufacturer specifications (usually 40-60 ft-lbs).
5. Reinstall the wheel and lower the vehicle.

3. Replace Engine Mounts (if necessary)

Sub-steps:
1. Disconnect the battery to prevent electrical issues.
2. Use a jack to support the engine slightly.
3. Remove the bolts securing the engine mounts using a socket set.
4. Replace the worn engine mounts with new ones, ensuring proper alignment.
5. Torque the mount bolts to the manufacturer's specifications.
6. Reconnect the battery.

4. Inspect and Replace CV Joints (if necessary)

Sub-steps:
1. Raise the vehicle and remove the wheel.
2. Inspect the CV joints for any tears in the boot or signs of grease leakage.
3. If damaged, remove the axle by unbolting it from the hub and differential.
4. Replace the CV joint or axle assembly, ensuring proper installation according to specifications.
5. Reinstall the wheel and lower the vehicle.