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

Honda Civic 9th Generation (2012-2015)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

557 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.
•Allow the vehicle to cool before inspecting the engine area.

Symptoms

•Knocking noise during acceleration or deceleration
•Noise intensifies when turning or going over bumps
•Vibration felt through the steering wheel or floor
•Unusual sounds when driving over uneven surfaces
•Possible check engine light illumination (if related to engine mounts)

Diagnostic Steps

1
Inspect the suspension components for wear or damage, including struts, shock absorbers, and control arms.
2
Check the engine mounts for cracks or signs of failure.
3
Test drive the vehicle to replicate the knocking noise while noting conditions (speed, road surface).
4
Examine the drivetrain components, including the transmission mounts and CV joints.
5
Use a stethoscope or listening device to pinpoint the origin of the noise.

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
•Stethoscope (optional)

Parts Required

•Struts or shock absorbers (if needed)
•Engine and transmission mounts (if needed)
•CV axle (if needed)

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Diagnostic Steps

1
Inspect the suspension components for wear or damage, including struts, shock absorbers, and control arms.
2
Check the engine mounts for cracks or signs of failure.
3
Test drive the vehicle to replicate the knocking noise while noting conditions (speed, road surface).
4
Examine the drivetrain components, including the transmission mounts and CV joints.
5
Use a stethoscope or listening device to pinpoint the origin of the noise.

Solution

1. Preparation

Gather all necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the battery to ensure safety during repairs.

2. Inspect and Replace Suspension Components

Tools Required: Jack and jack stands, socket set, torque wrench, pry bar.
Raise the vehicle using the jack and secure it with jack stands.
Inspect struts and shock absorbers for any leaks or signs of damage.
If damaged, remove the old struts/shocks:
1. Remove the wheel to access the suspension.
2. Disconnect the strut from the steering knuckle and upper mount.
3. Install the new struts/shocks, tightening to manufacturer specifications.
Reinstall the wheel and lower the vehicle.

3. Check and Replace Engine and Transmission Mounts

Tools Required: Socket set, torque wrench, pry bar.
Locate the engine and transmission mounts.
Inspect for cracks or wear. If damaged:
1. Remove the bolts securing the mount to the frame and engine/transmission.
2. Use a pry bar to lift the engine/transmission slightly to access the mount.
3. Replace with new mounts, tightening bolts to specified torque settings.

4. Inspect Drivetrain Components

Tools Required: Socket set, torque wrench, possibly a CV joint removal tool.
Check the CV joints and axles for any visible damage or excessive play.
If a CV joint is faulty:
1. Remove the wheel and brake components to access the CV axle.
2. Disconnect the axle from the hub and transmission.
3. Replace the CV axle with a new one, ensuring all connections are secure and torqued properly.