my Tesla Model S Plaid/Refresh (2021-present) is shaking 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 shaking during 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 ensure the vehicle is securely lifted and supported before working underneath.
•Allow the brake components to cool before handling if the vehicle has been driven recently.

Symptoms

•Shaking or vibration felt in the steering wheel or brake pedal during braking
•Uneven brake pad wear
•Increased stopping distance
•Noise (such as squeaking or grinding) during braking
•Brake warning light illuminated on the dashboard (if applicable)

Diagnostic Steps

1
Inspect brake pads and rotors for signs of wear or damage.
2
Check wheel alignment and balance.
3
Use a dial gauge to measure rotor runout (warp).
4
Inspect suspension components, including control arms and bushings.
5
Scan for error codes using OBD-II scanner to identify 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

•Lug wrench
•Hydraulic jack and jack stands
•Socket set
•Torque wrench
•Dial gauge (for measuring rotor runout)

Parts Required

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

Related Faults

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Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.

2. Remove Wheels

Sub-steps:
1. Loosen the lug nuts on the front wheels using a lug wrench.
2. Lift the vehicle using a hydraulic jack and secure it with jack stands.
3. Remove the lug nuts completely and take off the front wheels.

3. Inspect Braking Components

Sub-steps:
1. Visually inspect brake pads for uneven wear; replace if necessary.
2. Check brake rotors for warping or scoring using a dial gauge.
3. If rotors are warped (more than 0.003 inches), they should be resurfaced or replaced.

4. Replace Brake Pads and Rotors (if necessary)

Sub-steps:
1. Remove the caliper bolts with a socket wrench and slide the caliper off the rotor.
2. Remove the old brake pads from the caliper bracket.
3. If replacing rotors, remove the rotor from the hub by removing any retaining screws.
4. Install new rotors and torque to manufacturer specifications (typically around 80-100 ft-lbs).
5. Insert new brake pads into the caliper bracket.
6. Reattach the caliper and torque the caliper bolts to manufacturer specifications.

5. Reassemble and Test

Sub-steps:
1. Reinstall the front wheels and hand-tighten the lug nuts.
2. Lower the vehicle and torque the lug nuts to manufacturer specifications (typically around 100-120 ft-lbs).
3. Pump the brake pedal several times to seat the brake pads before test driving.