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

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

522 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 (2021-2023). 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.
•Ensure the vehicle is securely lifted and supported before working underneath it.

Symptoms

•Shaking or vibration felt in the steering wheel during braking
•Pulsation in the brake pedal
•Uneven wear on brake pads or rotors
•Noise (squeaking or grinding) during braking
•Vehicle pulling to one side while braking

Diagnostic Steps

1
Inspect brake rotor surfaces for warping or uneven wear using a dial indicator.
2
Check brake pads for wear and ensure they are properly seated.
3
Verify tire condition and balance; check for uneven wear or damage.
4
Measure wheel alignment using a professional alignment tool.
5
Scan for any error codes using an OBD-II scanner that may relate to the braking system.

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
•Socket set
•Dial indicator
•Torque wrench
•OBD-II scanner

Parts Required

•Brake rotors
•Brake pads
•Brake grease

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Diagnostic Steps

1
Inspect brake rotor surfaces for warping or uneven wear using a dial indicator.
2
Check brake pads for wear and ensure they are properly seated.
3
Verify tire condition and balance; check for uneven wear or damage.
4
Measure wheel alignment using a professional alignment tool.
5
Scan for any error codes using an OBD-II scanner that may relate to the braking system.

Solution

1. Preparation

Gather necessary tools and parts.
Safely raise the vehicle using a jack and secure it on jack stands.
Disconnect the battery to prevent any electrical issues.

2. Inspect and Replace Brake Rotors

Sub-steps:
- Remove the wheel to access the brake assembly.
- Use a dial indicator to measure the rotor for warping (should be within manufacturer specifications).
- If warped beyond specifications, remove the brake caliper by unscrewing the caliper bolts.
- Slide the caliper off the rotor and suspend it using a bungee cord to avoid strain on the brake line.
- Remove the rotor by unscrewing the rotor bolts and slide it off the hub.
- Install the new rotor, ensuring proper alignment and secure it with rotor bolts to manufacturer torque specifications.

3. Inspect and Replace Brake Pads

Sub-steps:
- Remove the caliper bracket by unscrewing the bracket bolts.
- Slide out the old brake pads from the caliper bracket.
- Apply brake grease to the back of the new brake pads to reduce noise.
- Install new brake pads into the caliper bracket and reattach the bracket.
- Reinstall the brake caliper over the new pads and secure it.

4. Wheel Alignment

Sub-steps:
- Reinstall the wheel and lower the vehicle.
- Take the vehicle to a professional alignment shop to check and correct alignment settings.