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

495 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 issues 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

•Always disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before performing any brake work.

Symptoms

•Shaking felt in the steering wheel during braking
•Vibrations through the brake pedal
•Uneven wear on brake pads or rotors
•Noise (squeaking or grinding) during braking
•Vehicle pulls to one side when braking

Diagnostic Steps

1
Inspect the brake rotors for warping or uneven surface.
2
Check brake pads for wear and thickness.
3
Examine the brake calipers for proper operation and alignment.
4
Inspect suspension components (control arms, bushings, etc.) for wear or damage.
5
Perform a visual inspection of the wheel assembly and tire condition.
6
Check for any error codes related to the vehicle's braking system using an OBD-II scanner.

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
•OBD-II scanner
•Brake cleaner
•Jack and jack stands

Parts Required

•Brake rotors (if warped)
•Brake pads (if worn)
•Suspension bushings or components (if damaged)

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Diagnostic Steps

1
Inspect the brake rotors for warping or uneven surface.
2
Check brake pads for wear and thickness.
3
Examine the brake calipers for proper operation and alignment.
4
Inspect suspension components (control arms, bushings, etc.) for wear or damage.
5
Perform a visual inspection of the wheel assembly and tire condition.
6
Check for any error codes related to the vehicle's braking system using an OBD-II scanner.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a flat surface and engage the parking brake.
Disconnect the battery if applicable (for electric components).

2. Inspect and Replace Brake Rotors

Sub-steps:
1. Remove the wheel using a socket set.
2. Inspect the rotors for warping or scoring; replace if necessary.
  - If warped, remove the caliper by loosening the caliper bolts with a socket wrench.
  - Remove the old rotor by unscrewing rotor retaining screws (if applicable).
  - Install new rotor and secure it with retaining screws.
  - Reassemble the caliper and torque bolts to manufacturer's specifications (usually around 25-35 Nm).

3. Inspect and Replace Brake Pads

Sub-steps:
1. Remove the caliper from the rotor as previously described.
2. Remove the old brake pads from the caliper bracket.
3. Install new brake pads ensuring they are properly seated.
4. Reattach the caliper and torque bolts to manufacturer's specifications.

4. Inspect and Replace Suspension Components (if necessary)

Sub-steps:
1. Lift the vehicle and secure it on jack stands.
2. Check control arms, bushings, and other suspension components for wear.
3. Replace any damaged components using a socket set.
  - For bushings, remove old bushings using a press or appropriate tool.
  - Install new bushings and torque to manufacturer's specifications.