why is my Tesla Model S Original (2012-2020) making a strange noise when I brake?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

451 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 braking noises in Tesla Model S (2012-2020). 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

•Always allow the brakes to cool before working on them.
•Use jack stands when working under the vehicle.

Symptoms

•High-pitched squeaking or grinding noise during braking
•Pulsating sensation felt through the brake pedal
•Decreased braking efficiency or responsiveness
•Warning lights on the dashboard (if applicable)
•Vibration or shuddering from the brakes

Diagnostic Steps

1
Inspect brake pads for wear and tear using a visual inspection.
2
Check brake rotors for surface damage or warping.
3
Listen for noise while performing a stationary brake test.
4
Examine brake calipers for proper operation and signs of sticking.
5
Inspect brake fluid level and condition.
6
Scan the vehicle for any error codes related to the braking system.

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 pad spreader tool
•Bungee cord

Parts Required

•Brake pads (specific to Tesla Model S)
•Brake rotors (if needed)

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Diagnostic Steps

1
Inspect brake pads for wear and tear using a visual inspection.
2
Check brake rotors for surface damage or warping.
3
Listen for noise while performing a stationary brake test.
4
Examine brake calipers for proper operation and signs of sticking.
5
Inspect brake fluid level and condition.
6
Scan the vehicle for any error codes related to the braking system.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the parking brake is engaged.
Disconnect the negative terminal of the battery to prevent electrical issues.

2. Inspect and Replace Brake Pads

Sub-steps:
1. Remove the wheel using a socket set.
2. Inspect brake pads for thickness; replace if less than 3mm.
3. Remove the caliper bolts using a torque wrench; support the caliper with a bungee cord to avoid stress on the brake line.
4. Remove the old brake pads and install new ones, ensuring they are properly seated.
5. Reattach the caliper and torque bolts to manufacturer's specifications.

3. Inspect and Replace Brake Rotors (if necessary)

Sub-steps:
1. If rotors are damaged, remove the caliper and brake pads.
2. Unscrew the rotor retaining screws and remove the rotor from the hub.
3. Install new rotors, ensuring they are clean and free from oil.
4. Reattach the caliper and pads, torquing all components to specifications.

4. Reassemble

Reattach the wheel and torque lug nuts to the specified torque.
Reconnect the negative battery terminal.