why does my Tesla Model S Plaid/Refresh (2021-present) shake when braking

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

515 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 shaking during braking in Tesla Model S Plaid (2021-present). Step-by-step guide with symptoms, diagnostics, and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is securely lifted and supported before working underneath.
•Disconnect the battery before working on electrical components of the brake system.

Symptoms

•Shaking or vibrating sensation felt through the brake pedal
•Steering wheel vibration when braking
•Increased stopping distance
•Unusual noises during braking (e.g., grinding or squeaking)
•Unbalanced tire wear or visible damage to brake components

Diagnostic Steps

1
Inspect the brake rotors for warping or uneven wear.
2
Check brake pad condition for wear and proper installation.
3
Examine suspension components for any wear or damage.
4
Verify tire balance and alignment.
5
Scan the vehicle's computer system 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
•Torque wrench
•Brake cleaner
•Socket set

Parts Required

•Brake rotors (if warped)
•Brake pads (if worn)

Related Faults

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Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the parking brake is engaged.
Disconnect the negative battery terminal for safety.

2. Inspect and Remove Wheels

Sub-steps:
1. Loosen the lug nuts on the affected wheel(s) using a lug wrench.
2. Lift the vehicle with a jack and secure it with jack stands.
3. Completely remove the lug nuts and take off the wheel.

3. Inspect Brake Components

Sub-steps:
1. Visually inspect the brake rotors for signs of warping or uneven wear.
2. Check brake pads for thickness; replace if they are below manufacturer specifications.
3. Inspect calipers for proper function and any leaks.

4. Replace or Resurface Rotors (if necessary)

Sub-steps:
1. If rotors are warped, remove them by unscrewing the retaining screws.
2. Either replace with new rotors or have existing rotors resurfaced by a professional.
3. Clean the hub surface thoroughly before installation.

5. Reassemble Components

Sub-steps:
1. Reinstall the brake rotor or new rotor and secure it with retaining screws.
2. Install new or inspected brake pads into the caliper.
3. Reattach the caliper and ensure it is properly secured.
4. Reinstall the wheel and hand-tighten the lug nuts.

6. Lower Vehicle and Torque Lug Nuts

Sub-steps:
1. Lower the vehicle from the jack stands.
2. Use a torque wrench to tighten the lug nuts to the manufacturer's specifications (usually around 80-100 lb-ft).