what should I do if my Tesla Model S Original (2012-2020) has a strange noise while braking

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

520 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 noise while braking 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 any electrical components.
•Ensure the vehicle is securely lifted and supported before working underneath.

Symptoms

•Grinding or squeaking noise during braking
•Vibration felt in the brake pedal
•Reduced braking performance
•Brake warning light illuminated on the dashboard
•Unusual wear patterns on brake pads or rotors

Diagnostic Steps

1
Inspect brake pads for wear and damage.
2
Check brake rotors for scoring or warping.
3
Examine brake calipers for proper operation and signs of leakage.
4
Inspect brake fluid level and condition.
5
Scan the vehicle’s computer system 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 cleaner
•Jack
•Jack stands
•Safety glasses

Parts Required

•Brake pads
•Brake rotors
•Brake fluid

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Solution

1. Preparation

Gather tools: socket set, torque wrench, brake cleaner, and safety glasses.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Disconnect the negative terminal of the battery for safety.

2. Remove Wheel

Loosen the lug nuts while the vehicle is still on the ground.
Use a jack to lift the vehicle and secure it with jack stands.
Remove the lug nuts completely and take off the wheel.

3. Inspect and Replace Brake Pads

Inspection: Check brake pads for wear indicators; if they are worn down to the minimum thickness, they need replacing.
Removal: If replacing, remove the caliper bolts using a socket set. Carefully slide the caliper off the rotor.
Replacement: Remove the old brake pads and install new ones. Ensure they are seated properly.
Reinstallation: Reattach the caliper and torque the bolts to the manufacturer's specifications (typically around 25-35 ft-lbs for Tesla).

4. Inspect and Replace Brake Rotors (if necessary)

Inspection: Check the rotors for any signs of warping or scoring. If damaged, they should be replaced.
Removal: Remove the caliper bracket if necessary, then slide the rotor off the hub.
Replacement: Install new rotors, ensuring they are clean and free of debris.
Reinstallation: Reattach the caliper bracket and torque to specifications.

5. Final Checks

Refill brake fluid if necessary and bleed the brakes to remove air from the system.
Reinstall the wheel and torque the lug nuts to specifications (typically 100-150 ft-lbs).
Reconnect the negative battery terminal.