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

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

521 words

Problem Statement

Learn how to diagnose and fix squeaking noise when braking in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Brakes

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on the electrical systems, especially if the vehicle has regenerative braking features.
•Allow the brakes to cool before inspection or repair to avoid burns.

Symptoms

•Squeaking noise during braking
•Vibration felt in the brake pedal
•Reduced braking effectiveness
•Brake warning light illuminated
•Brake pads or rotors may show signs of wear

Diagnostic Steps

1
Inspect the brake pads for wear and thickness using a caliper.
2
Check the brake rotors for signs of scoring or uneven wear.
3
Examine the brake calipers for proper operation and any signs of sticking.
4
Verify brake fluid level and inspect for contamination.
5
Listen for noise while applying brakes in various conditions (e.g., slow stops, hard stops).

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
•Jack stands
•Lug wrench
•Socket set
•Brake pad spreader

Parts Required

•Brake pads (if worn)
•Brake rotors (if necessary)
•Brake fluid (if low or contaminated)

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Diagnostic Steps

1
Inspect the brake pads for wear and thickness using a caliper.
2
Check the brake rotors for signs of scoring or uneven wear.
3
Examine the brake calipers for proper operation and any signs of sticking.
4
Verify brake fluid level and inspect for contamination.
5
Listen for noise while applying brakes in various conditions (e.g., slow stops, hard stops).

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a flat surface and engage the parking brake.
Use wheel chocks to prevent vehicle movement.

2. Remove Wheel

Tools Required: Jack, jack stands, lug wrench.
Loosen lug nuts slightly before lifting the vehicle.
Lift the vehicle using a jack and secure it with jack stands.
Remove the lug nuts completely and take off the wheel.

3. Inspect Brake Components

Visually inspect the brake pads for wear; replace if thickness is less than 3 mm.
Check brake rotors for any signs of scoring; resurface or replace if necessary.
Inspect calipers for fluid leaks and ensure they slide freely.

4. Replace Brake Pads (if necessary)

Tools Required: Socket set, brake pad spreader.
Remove the caliper bolts using a socket wrench.
Carefully lift the caliper off the rotor without stretching the brake line.
Remove old brake pads from the caliper bracket.
Compress the caliper piston using a brake pad spreader.
Install new brake pads into the caliper bracket, ensuring proper orientation.

5. Reassemble and Test

Replace the caliper over the new pads and tighten the caliper bolts to manufacturer specifications (typically around 25-30 Nm).
Reinstall the wheel, hand-tighten lug nuts, lower the vehicle, and then torque the lug nuts to specification (typically 100-110 Nm).
Pump the brake pedal to seat the pads and check for any abnormal noises.