my Tesla Model S Plaid shakes when I brake what could be causing this

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

495 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 brake shaking in Tesla Model S Plaid. 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

•Disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before working on the brakes.

Symptoms

•Vibration felt in the steering wheel during braking
•Pulsation in the brake pedal
•Uneven wear on brake pads or discs
•Increased stopping distance
•Noise during braking (squeaking or grinding)

Diagnostic Steps

1
Inspect brake pads for uneven wear or damage.
2
Examine brake rotors for warping or scoring.
3
Check brake fluid level and condition.
4
Inspect suspension components for wear or damage.
5
Scan for any brake system-related error codes using an OBD-II scanner.

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 bleeder kit
•Rotor gauge

Parts Required

•Brake pads
•Brake rotors (if damaged)
•Brake fluid

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Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is on a flat surface and secure it with wheel chocks.
Disconnect the negative battery terminal to prevent any electrical issues.

2. Inspect and Replace Brake Pads

Remove the wheel using a socket set.
Inspect brake pads for uneven wear.
- If worn or damaged:
  1. Remove the caliper bolts with a socket.
  2. Lift the caliper off the rotor and support it with a bungee cord (do not let it hang by the brake line).
  3. Remove the old brake pads.
  4. Install new brake pads, ensuring they are seated properly in the caliper bracket.
  5. Reattach the caliper and torque bolts to manufacturer specifications.

3. Inspect and Resurface or Replace Brake Rotors

Using a rotor gauge, check for warping or uneven thickness.
- If warped or damaged:
  1. Remove the caliper and bracket as previously instructed.
  2. Take off the rotor by removing the retaining screws or bolts.
  3. If resurfacing, follow the machine shop's guidelines. If replacing, install new rotors.
  4. Reattach the caliper bracket and caliper, torqueing to manufacturer specifications.

4. Brake Fluid Inspection and Replacement

Locate the brake fluid reservoir and check fluid level.
- If low:
  1. Add manufacturer-recommended brake fluid.
  2. If contaminated, perform a brake fluid flush by connecting a brake bleeder kit and bleeding each brake line until new fluid appears.

5. Reassemble and Test

Reinstall the wheel and lower the vehicle.
Reconnect the negative battery terminal.