why is my Tesla Model S Original (2012-2020) shaking when I brake at high speeds

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

523 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 (2012-2020). 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 systems.
•Allow the brakes to cool before handling to avoid burns.

Symptoms

•Shaking or vibration felt in the steering wheel during braking
•Pulsating brake pedal feedback
•Increased stopping distance
•Noise from the brakes (squealing or grinding sounds)
•Uneven brake pad wear (may be noticed upon inspection)

Diagnostic Steps

1
Inspect brake pad thickness and condition for wear or damage.
2
Check rotor condition for warping or scoring using a dial indicator.
3
Examine suspension components (control arms, bushings) for wear or damage.
4
Verify wheel balance and alignment status.
5
Scan for any error codes related to the braking system.

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
•Lug wrench
•Torque wrench
•Dial indicator
•Brake cleaner

Parts Required

•Brake pads
•Brake rotors (if warped beyond repair)
•Suspension components (if worn)

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Diagnostic Steps

1
Inspect brake pad thickness and condition for wear or damage.
2
Check rotor condition for warping or scoring using a dial indicator.
3
Examine suspension components (control arms, bushings) for wear or damage.
4
Verify wheel balance and alignment status.
5
Scan for any error codes related to the braking system.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface, engage the parking brake, and ensure the vehicle is off.
Disconnect the 12V battery to prevent any electrical issues while working on the vehicle.

Tools Required:

Jack and jack stands
Lug wrench
Torque wrench
Dial indicator
Brake cleaner

2. Inspect and Replace Brake Pads

Sub-steps:
1. Remove the wheel using the lug wrench.
2. Inspect the brake pads for thickness; replace if less than 3mm.
3. If replacement is needed, remove the caliper bolts and slide the caliper off the rotor.
4. Remove the old pads and install new ones in the caliper bracket.
5. Reinstall the caliper and tighten the bolts to the manufacturer's torque specifications.

3. Check and Resurface/Replace Rotors

Sub-steps:
1. Remove the rotor from the hub by unscrewing any retaining screws.
2. Use a dial indicator to check for warping; if more than 0.002 inches of runout, consider resurfacing or replacing.
3. If resurfacing, ensure the rotor is cleaned with brake cleaner before reinstallation.
4. Reinstall the rotor and secure it with retaining screws if applicable.

4. Inspect Suspension Components

Sub-steps:
1. Visually check all suspension components for wear or play, focusing on control arms and bushings.
2. Replace any damaged components as needed, following manufacturer specifications for installation and torque settings.

5. Rebalance and Align Wheels

Sub-steps:
1. Take the vehicle to a tire shop to have the wheels balanced.
2. Perform a wheel alignment to ensure proper handling and prevent uneven tire wear.