why are my Tesla Model S Original (2012-2020) brakes squeaking?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

603 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 squeaking brakes on 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

•Ensure vehicle is on a flat surface and secured with wheel chocks.
•Disconnect the 12V battery to prevent accidental activation of the braking system.

Symptoms

•Squeaking noise when brakes are applied
•Grinding sound during braking under certain conditions
•Reduced braking performance or responsiveness
•Vibration in the brake pedal or steering wheel
•Increased brake dust accumulation on wheels

Diagnostic Steps

1
Inspect brake pads for wear and tear using a visual inspection.
2
Check brake rotors for scoring or warping.
3
Measure brake pad thickness to determine if they need replacement.
4
Examine brake calipers for proper function and any binding.
5
Inspect for any foreign debris or contaminants on brake components.
6
Verify brake fluid level and condition in the reservoir.

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
•Torque wrench
•Brake cleaner
•Caliper tool

Parts Required

•Brake pads
•Brake rotors
•Brake fluid

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Diagnostic Steps

1
Inspect brake pads for wear and tear using a visual inspection.
2
Check brake rotors for scoring or warping.
3
Measure brake pad thickness to determine if they need replacement.
4
Examine brake calipers for proper function and any binding.
5
Inspect for any foreign debris or contaminants on brake components.
6
Verify brake fluid level and condition in the reservoir.

Solution

1. Preparation

Tools Required:
- Jack and jack stands
- Lug wrench
- Torque wrench
- Brake cleaner
- Caliper tool (if necessary)
Safety Warnings:
- Ensure vehicle is on a flat surface and secured with wheel chocks.
- Disconnect the 12V battery to prevent accidental activation of the braking system.

2. Remove Wheel

Loosen lug nuts using a lug wrench, but do not completely remove them.
Lift the vehicle using a jack and secure it with jack stands.
Remove the lug nuts completely and take off the wheel to access the brake components.

3. Inspect and Replace Brake Pads

Inspect the brake pads for wear. If they are worn down (below 3mm thickness), replace them.
Remove the caliper bolts using a socket and ratchet, and carefully slide the caliper off the rotor.
If necessary, compress the caliper piston using a caliper tool to make room for new pads.
Remove the old brake pads and clean the caliper and rotor surfaces with brake cleaner.
Install new brake pads, ensuring they are seated correctly in the caliper bracket.

4. Inspect and Replace Brake Rotors (if needed)

Check the rotor surface for any scoring or warping.
If the rotors are damaged or below the minimum thickness, remove them by unscrewing the rotor retaining screws.
Install new rotors and torque to manufacturer specifications (typically around 80-100 ft-lbs, but verify for your specific rotor).

5. Reassemble Components

Reattach the caliper over the new pads and rotors, ensuring it is aligned correctly.
Tighten caliper bolts to the manufacturer’s torque specifications.
Replace the wheel and hand-tighten the lug nuts.

6. Lower Vehicle and Final Checks

Remove jack stands and lower the vehicle to the ground.
Torque the lug nuts to the manufacturer’s specifications (usually around 100-120 ft-lbs).
Reconnect the battery.