why does my Renault Clio V (2019-Present) make a knocking noise when accelerating

Renault Clio V (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

487 words

Problem Statement

Learn how to diagnose and fix knocking noise during acceleration in Renault Clio V (2019-Present). 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 engine to cool before performing any repairs.

Symptoms

•Knocking noise when accelerating
•Vibration felt through the steering wheel
•Reduced power during acceleration
•Noise increases with vehicle speed
•Potential clunking sound when shifting gears

Diagnostic Steps

1
Inspect the undercarriage for loose or damaged components.
2
Check the engine mounts for wear or damage.
3
Test drive the vehicle while listening for noise location (front, rear, left, or right).
4
Examine the suspension components for wear, including struts and bushings.
5
Check the CV joints and axles for damage or excessive play.

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
•Pry bar
•Torque wrench
•Jack and jack stands
•OBD-II scanner

Parts Required

•Engine mounts (if damaged)
•Suspension bushings (if worn)
•CV axle (if damaged)

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Diagnostic Steps

1
Inspect the undercarriage for loose or damaged components.
2
Check the engine mounts for wear or damage.
3
Test drive the vehicle while listening for noise location (front, rear, left, or right).
4
Examine the suspension components for wear, including struts and bushings.
5
Check the CV joints and axles for damage or excessive play.

Solution

1. Preparation

Ensure the vehicle is on a level surface and secure with jack stands.
Disconnect the battery before working on electrical components.

2. Inspect and Replace Engine Mounts

Remove Engine Cover:
- Use a socket set to remove bolts securing the engine cover.
Check Engine Mounts:
- Visually inspect the engine mounts for cracks or decay.
Remove Damaged Mounts:
- Unbolt the mounts using the appropriate socket.
- Carefully lift the engine (if necessary) to access the mounts.
Install New Mounts:
- Position new mounts in place and torque bolts to manufacturer's specifications (typically around 40-60 Nm).
Reattach Engine Cover:
- Secure the engine cover back in place.

3. Inspect and Repair Suspension Components

Check Suspension Bushings:
- Look for cracks or excessive wear in bushings.
- Use a pry bar to test for play.
Replace Worn Components:
- Remove bolts securing the affected suspension parts (control arms, struts).
- Replace with new OEM or high-quality aftermarket parts.
- Torque bolts to the specified values (check service manual for specifics).

4. Inspect and Repair CV Joints/Axles

Visual Inspection:
- Check CV boots for tears or grease leaks.
Remove Axle if Damaged:
- Unbolt the axle from the transmission and wheel hub.
Replace with New Axle:
- Install the new axle, ensuring proper alignment.
- Torque nuts to specified values and reattach any components removed.