why does my Tesla Model S Original (2012-2020) have a weird smell when I use the brakes

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

482 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 unusual brake odor in Tesla Model S (2012-2020). 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

•Always disconnect the battery before working on electrical systems.
•Allow the brakes to cool down before inspection to avoid burns.

Symptoms

•Unusual smell while braking
•Reduced braking performance
•Brake pedal feels spongy or unresponsive
•Warning light on the dashboard
•Visible wear on brake pads or rotors

Diagnostic Steps

1
Inspect brake pads and rotors for wear and damage.
2
Check brake fluid level and condition.
3
Scan for any error codes using an OBD-II scanner.
4
Inspect brake lines for leaks or damage.
5
Test the brake system for proper function by applying pressure.

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
•Torque wrench
•Brake caliper tool
•OBD-II scanner
•Funnel
•Wrenches

Parts Required

•Brake pads
•Brake fluid (DOT 3 or DOT 4)
•Brake lines

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

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 gloves and goggles for protection.

2. Inspect Brake Components

Sub-steps:
1. Remove the wheel using a socket set.
2. Inspect the brake pads for thickness (should be at least 3mm).
3. Check the rotors for scoring or warping.
Tools Required:
- Socket set
- Torque wrench

3. Replace Brake Pads (if necessary)

Sub-steps:
1. Remove the caliper bolts and carefully slide the caliper off.
2. Remove old brake pads from the caliper bracket.
3. Compress the caliper piston using a brake caliper tool.
4. Install new brake pads into the caliper bracket.
5. Reinstall the caliper and torque bolts to the manufacturer’s specifications.
Tools Required:
- Brake caliper tool
- Torque wrench

4. Check Brake Fluid

Sub-steps:
1. Locate the brake fluid reservoir under the hood.
2. Check the fluid level; if low, top off with the recommended brake fluid (DOT 3 or DOT 4).
3. Inspect the fluid for contamination or discoloration.
Tools Required:
- Funnel

5. Inspect Brake Lines

Sub-steps:
1. Visually inspect brake lines for any signs of leaks or damage.
2. Replace any corroded or damaged lines.
Tools Required:
- Wrenches