my Renault Clio V (2019-Present) has a smell of burning when I brake, what should I do?

Renault Clio V (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

593 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 the burning smell when braking in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the brakes to cool before inspection to prevent burns.

Symptoms

•Burning smell when brakes are applied
•Reduced braking effectiveness
•Brake pedal feels spongy or unresponsive
•Brake warning light illuminated on the dashboard
•Excessive heat from wheel area after braking
•Squeaking or grinding noises when braking

Diagnostic Steps

1
Inspect the brake components visually for wear and damage.
2
Check brake fluid levels and condition.
3
Scan for any error codes using an OBD-II scanner.
4
Measure the temperature of the brake components with an infrared thermometer.
5
Examine the brake pads and rotors for signs of glazing or uneven wear.
6
Inspect the brake calipers for proper operation and any signs of sticking.

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

•OBD-II scanner
•Jack and jack stands
•Socket set
•Brake bleeder kit
•Torque wrench
•Infrared thermometer

Parts Required

•Brake pads
•Brake rotors (if necessary)
•Brake fluid

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Diagnostic Steps

1
Inspect the brake components visually for wear and damage.
2
Check brake fluid levels and condition.
3
Scan for any error codes using an OBD-II scanner.
4
Measure the temperature of the brake components with an infrared thermometer.
5
Examine the brake pads and rotors for signs of glazing or uneven wear.
6
Inspect the brake calipers for proper operation and any signs of sticking.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and engage the parking brake.
Wear safety gloves and goggles.

2. Raise the Vehicle

Use a jack to lift the vehicle and secure it with jack stands.
Remove the wheels to access the brake components.

3. Inspect and Replace Brake Pads

Inspect Brake Pads:
- Check the thickness of the pads; if below 3mm, replace them.
- Look for signs of glazing (shiny surface) or uneven wear.
Replace Brake Pads:
- Remove the caliper bolts using a socket set.
- Carefully lift the caliper away from the rotor (do not disconnect the brake line).
- Remove the old pads and install new pads, ensuring proper alignment.
- Reattach the caliper and torque bolts to manufacturer specifications.

4. Inspect and Replace Brake Rotors (if necessary)

Inspect Rotors:
- Check for warping, scoring, or excessive wear.
Replace Rotors:
- Remove the caliper bracket if necessary.
- Remove the retaining screws if applicable, and slide the rotor off.
- Install new rotors and secure them to the hub.
- Reinstall the caliper bracket and torque bolts to specifications.

5. Brake Fluid Check and Replacement

Check brake fluid for contamination or low levels.
If fluid is dirty or low, bleed the brakes:
- Use a brake bleeder kit or a helper to press the brake pedal while opening the bleeder valve on each caliper sequentially until clean fluid flows out.
- Refill the brake fluid reservoir to the recommended level with the appropriate type.

6. Reassemble and Lower the Vehicle

Reinstall the wheels and torque lug nuts to specifications.
Lower the vehicle and conduct a visual inspection of all components.