how to replace the brake pads on Tesla Model S Original (2012-2020)

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

543 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 replace brake pads on Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, tools, and safety tips.

Affected Component

Brakes

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' mode and disconnect the 12V battery to prevent electrical issues.
•Ensure the vehicle is securely lifted and stable before working underneath.
•Allow the brake components to cool down before handling to avoid burns.

Symptoms

•Squeaking or squealing noise when braking
•Reduced braking performance or responsiveness
•Warning message on the dashboard indicating brake pad wear
•Vibration or pulsation felt through the brake pedal
•Increased stopping distance

Diagnostic Steps

1
Inspect the brake pads visually for wear and thickness.
2
Check the brake rotors for scoring or damage.
3
Use an OBD-II scanner to check for any brake system-related error codes.
4
Verify brake fluid level and condition in the reservoir.
5
Test drive the vehicle to assess braking performance and any unusual noises.

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 caliper tool
•Torque wrench
•Brake cleaner
•Safety goggles

Parts Required

•New brake pads
•Brake lubricant (optional)

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Diagnostic Steps

1
Inspect the brake pads visually for wear and thickness.
2
Check the brake rotors for scoring or damage.
3
Use an OBD-II scanner to check for any brake system-related error codes.
4
Verify brake fluid level and condition in the reservoir.
5
Test drive the vehicle to assess braking performance and any unusual noises.

Solution

1. Preparation

Tools Required: Jack, jack stands, lug wrench, socket set, brake caliper tool, torque wrench, brake cleaner, and safety goggles.
Safety Warnings: Ensure the vehicle is in "Park" mode, and disconnect the 12V battery to prevent electrical issues.

2. Lift the Vehicle

Park the vehicle on a flat surface and engage the parking brake.
Loosen the lug nuts on the front or rear wheels (whichever is being serviced) slightly, without removing them.
Use a jack to lift the vehicle and secure it on jack stands.
Completely remove the lug nuts and take off the wheel.

3. Remove the Brake Caliper

Locate the caliper mounting bolts and remove them using a socket wrench.
Carefully slide the caliper off the rotor.
Support the caliper using a bungee cord or a caliper hanger to avoid stressing the brake line.

4. Replace the Brake Pads

Remove the old brake pads from the caliper bracket.
Use a brake caliper tool to compress the caliper piston back into the caliper housing.
Install the new brake pads into the caliper bracket, ensuring they are seated properly.

5. Reassemble the Brake System

Slide the caliper back over the new brake pads and rotor.
Reinstall and torque the caliper mounting bolts to the manufacturer's specifications (typically around 79 ft-lbs for Tesla Model S).
Reattach the wheel and hand-tighten the lug nuts.

6. Lower the Vehicle and Final Checks

Lower the vehicle off the jack stands.
Torque the lug nuts to the specified value (typically around 129 ft-lbs).
Reconnect the 12V battery if it was disconnected.