why does my Tesla Model S Plaid/Refresh (2021-present) have a strong vibration when braking

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

554 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 strong vibrations when braking 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 disconnect the battery before working on electrical components.
•Allow brakes to cool before inspection or repair to prevent burns.

Symptoms

•Strong vibrations felt in the steering wheel or brake pedal when braking
•Pulsation of the brake pedal during braking
•Potential noise such as grinding or squeaking when brakes are applied
•Uneven brake wear
•Loss of braking effectiveness or increased stopping distance

Diagnostic Steps

1
Inspect brake rotor condition for warping or scoring.
2
Check brake pad thickness and evenness of wear.
3
Examine suspension components for wear or damage (e.g., control arms, bushings).
4
Inspect wheel alignment and balance.
5
Scan for any related error codes using the vehicle’s onboard diagnostics.

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 caliper tool
•Jack and jack stands
•Dial indicator

Parts Required

•New brake rotors (if warped)
•New 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 engage the parking brake.
Wear safety gloves and goggles.

2. Raise the Vehicle

Use a jack to lift the front or rear (depending on where the vibration is felt) of the vehicle.
Secure the vehicle with jack stands for safety.

3. Inspect Brake Components

Remove Wheel:
- Use a socket set to remove the lug nuts and take off the wheel.
Inspect Brake Rotors:
- Check for warpage using a dial indicator or by visually inspecting for uneven surfaces.
- If warped, proceed to replace the rotors.
Check Brake Pads:
- Measure the thickness of the brake pads; replace if they are below manufacturer specifications.
- Ensure pads are not unevenly worn.

4. Replace Brake Rotors and Pads (if necessary)

Remove Old Rotors:
- Unscrew and remove the caliper bolts.
- Carefully slide the caliper off the rotor and support it; do not let it hang by the brake line.
- Remove the old rotor from the hub.
Install New Rotors:
- Place the new rotor onto the hub, ensuring it fits snugly.
- Reinstall the caliper over the new rotor.
Replace Brake Pads:
- Compress the caliper piston using a brake caliper tool.
- Insert new brake pads into the caliper bracket.

5. Reassemble and Lower Vehicle

Replace the wheel and hand-tighten the lug nuts.
Lower the vehicle and torque lug nuts to the manufacturer’s specification (typically around 100-120 ft-lbs).

6. Test Brake Function

Once the vehicle is back on the ground, pump the brake pedal to ensure proper engagement before driving.