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

3 min read

559 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

•Always disconnect the battery before working on electrical components.
•Allow the vehicle to cool before handling brake components to avoid burns.

Symptoms

•Squeaking noise when applying brakes
•Decreased braking efficiency
•Vibration in the brake pedal during braking
•Brake warning light illuminated on the dashboard
•Dust accumulation on brake components

Diagnostic Steps

1
Inspect brake pads for wear using a visual inspection.
2
Check for debris or contaminants on the brake rotors and pads.
3
Measure rotor thickness to ensure it is within manufacturer specifications.
4
Examine brake calipers for proper functioning and any signs of leakage.
5
Use an OBD-II scanner to check for any related error codes.

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

•Lug wrench
•Jack and jack stands
•Socket set
•Torque wrench
•Brake cleaner
•Brake grease

Parts Required

•Brake pads
•Brake rotors (if necessary)

Related Faults

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Diagnostic Steps

1
Inspect brake pads for wear using a visual inspection.
2
Check for debris or contaminants on the brake rotors and pads.
3
Measure rotor thickness to ensure it is within manufacturer specifications.
4
Examine brake calipers for proper functioning and any signs of leakage.
5
Use an OBD-II scanner to check for any related error codes.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Wear appropriate safety gear (gloves, goggles).

2. Remove Wheel

Use a lug wrench to loosen and remove the lug nuts.
Lift the vehicle using a jack and secure it with jack stands.
Remove the wheel to access the brake components.

3. Inspect and Replace Brake Pads

Inspection:
- Examine the brake pads for uneven wear or thickness less than 3mm.
- Check the brake pad backing for any signs of damage.
Replacement:
- If pads are worn, unbolt the caliper using a socket set and remove it from the rotor.
- Slide the old brake pads out of the caliper bracket.
- Insert new brake pads (ensure they are the correct type for the Tesla Model S).
- Apply brake grease to the backing of the new pads to prevent squeaking.

4. Inspect and Resurface/Replace Rotors

Check the rotors for scoring, grooves, or warping.
If needed, resurface the rotors or replace them if they are below the minimum thickness specifications.
Clean the rotor surface with brake cleaner to remove any contaminants.

5. Reassemble Components

Reinstall the caliper over the new pads and torque the bolts to the manufacturer’s specifications (typically around 25-35 ft-lbs).
Reattach the wheel and hand-tighten the lug nuts.
Lower the vehicle and then torque the lug nuts to manufacturer specifications (usually 80-100 ft-lbs).

6. Final Checks

Pump the brake pedal a few times to ensure proper pad seating.
Check brake fluid level in the reservoir and top off if necessary.