my Tesla Model S Plaid/Refresh (2021-present) shakes when I brake, what's wrong

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

528 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 diagnostic procedures 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 supported by jack stands before working underneath.
•Allow the brakes to cool before inspection or repair to avoid burns.

Symptoms

•Vibrations felt through the brake pedal
•Steering wheel shakes during braking
•Uneven brake pad wear
•Possible noise during braking (squeaking or grinding)
•Brake warning light illuminated (if applicable)

Diagnostic Steps

1
Inspect brake components visually for wear or damage.
2
Check brake rotor thickness and for warping using a micrometer.
3
Examine brake pads for uneven wear or contamination.
4
Inspect suspension components (e.g., control arms, bushings) for wear or damage.
5
Use a road test to identify if the shaking occurs at specific speeds or braking intensities.

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
•Torque wrench
•Socket set
•Micrometer
•Brake cleaner
•Wheel chocks

Parts Required

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

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Diagnostic Steps

1
Inspect brake components visually for wear or damage.
2
Check brake rotor thickness and for warping using a micrometer.
3
Examine brake pads for uneven wear or contamination.
4
Inspect suspension components (e.g., control arms, bushings) for wear or damage.
5
Use a road test to identify if the shaking occurs at specific speeds or braking intensities.

Solution

1. Preparation

Gather tools and materials: brake cleaner, torque wrench, socket set, micrometer, jack stands, and wheel chocks.
Ensure the vehicle is parked on a flat surface and the parking brake is engaged.

2. Raise the Vehicle

Use the jack to lift the front or rear of the vehicle, depending on where the shaking is observed.
Secure the vehicle with jack stands.

3. Remove Wheel

Use a socket set to remove the lug nuts and take off the wheel to access the brake components.

4. Inspect and Replace Brake Rotors (if warped)

Measure the rotor thickness using a micrometer to ensure it meets the manufacturer's specifications.
If warped, remove the caliper bolts and slide the caliper off the rotor. Use a brake cleaner to clean the rotor surface.
Replace with new rotors, ensuring they are torqued to manufacturer specifications (typically around 100-120 ft-lbs).

5. Inspect and Replace Brake Pads (if worn)

Remove the brake pads from the caliper bracket.
Check for uneven wear; if they are worn down, replace with new pads.
Lubricate the caliper sliding pins and make sure the pad backing is clean before installation.

6. Reassemble Components

Reattach the caliper and ensure all bolts are torqued to the specified values.
Install the wheel back onto the hub and tighten the lug nuts in a star pattern to ensure even pressure.

7. Lower the Vehicle

Carefully lower the vehicle back to the ground and remove jack stands.