my Genesis G70 has a strange smell when I brake, what does this mean?

Genesis G70 IG (2017-2023)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

553 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 strange smells when braking in your Genesis G70. Step-by-step guide with symptoms, diagnostic steps, 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 the braking system if equipped with electronic components.
•Allow the vehicle to cool down before working on the braking components to avoid burns.

Symptoms

•Strange smell when braking
•Possible burning odor
•Reduced braking efficiency
•Brake pedal feels spongy or unresponsive
•Increased brake dust on wheels
•Warning light illuminated on the dashboard

Diagnostic Steps

1
Inspect brake pads visually for wear or damage.
2
Check brake fluid level and condition in the master cylinder.
3
Examine brake rotors for scoring or overheating signs.
4
Look for any leaks in the brake line or around calipers.
5
Test brake system performance by performing a low-speed brake test.

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
•Lug wrench
•Socket set
•Brake caliper tool
•Brake bleeder kit

Parts Required

•Brake pads
•Brake rotors
•Brake fluid

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Solution

1. Preparation

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

2. Inspect and Replace Brake Pads

Raise the Vehicle:
- Use a jack to lift the vehicle and secure it with jack stands.
Remove Wheel:
- Use a lug wrench to remove the wheel that corresponds to the affected brake.
Remove the Brake Caliper:
- Use a socket set to remove the caliper mounting bolts.
- Carefully slide the caliper off the rotor and hang it using a bungee cord to avoid straining the brake line.
Inspect Brake Pads:
- Check the thickness of the brake pads. If below 3 mm, replace them.
- Inspect for any uneven wear or burning signs.
Replace Brake Pads:
- Remove old brake pads and install new ones, ensuring they are properly aligned.
- Compress the caliper piston using a caliper tool if necessary.
Reassemble Components:
- Reattach the caliper to the rotor and tighten the mounting bolts to manufacturer specifications.
- Reinstall the wheel and torque lug nuts to the correct specification.

3. Check and Replace Brake Fluid

Check Fluid Level:
- Open the master cylinder cap and check fluid level; replace if low or discolored.
Bleed Brake Lines (if necessary):
- If air is present, use a brake bleeder kit to bleed the brake lines until clear fluid comes out.

4. Inspect and Replace Brake Rotors (if necessary)

Inspect Rotors:
- Check for warping, scoring, or discoloration.
Replace Rotors:
- If damaged, remove the rotor by removing the retaining screws and replace with new ones.
- Ensure to torque rotors to manufacturer specifications.