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

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

482 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, 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 components.
•Allow brakes to cool before inspection or repair to prevent burns.

Symptoms

•Shaking or vibrations felt through the steering wheel or brake pedal during braking
•Increased stopping distance
•Uneven brake pad wear
•Possible noise from brakes (squeaking or grinding)
•Warning lights on the dashboard related to the braking system

Diagnostic Steps

1
Inspect the brake pads for uneven wear or damage.
2
Check the brake rotors for warping or scoring.
3
Examine the brake calipers for proper operation and any sticking.
4
Inspect the brake fluid level and condition.
5
Scan for error codes using an OBD-II scanner to check for any related electronic issues.

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

•OBD-II scanner
•Torque wrench
•Socket set
•Run-out gauge
•Brake fluid bleeder kit

Parts Required

•Brake pads
•Brake rotors (if warped)
•Brake calipers (if defective)
•Brake fluid

Related Faults

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Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Disconnect the battery to prevent any electrical issues while working.

2. Inspect and Replace Brake Pads

Sub-steps:
1. Remove the wheel using a socket set.
2. Inspect the brake pads for uneven wear; replace if necessary.
  - Use high-quality replacement pads compatible with Tesla Model S.
3. Reinstall the wheel and torque lug nuts to manufacturer specifications (typically 100 ft-lbs).

3. Inspect and Resurface/Replace Brake Rotors

Sub-steps:
1. Remove the brake caliper using the appropriate socket.
2. Check the rotor for warping using a run-out gauge.
3. If warped, resurface the rotor if within specifications or replace with OEM rotors.
4. Reassemble the caliper and ensure it operates smoothly.

4. Check Brake Calipers

Sub-steps:
1. Inspect caliper pistons for movement and any signs of corrosion.
2. Clean and lubricate the caliper slides.
3. Replace any faulty calipers if sticking is observed.

5. Brake Fluid Inspection

Sub-steps:
1. Check the brake fluid reservoir for proper level and condition.
2. If fluid is contaminated or low, bleed the brake system.
3. Replace with high-quality brake fluid as per manufacturer's specifications (DOT 3 or DOT 4).