my Tesla Model S Original (2012-2020) 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

448 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 diagnostic procedures and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow brakes to cool before inspection or repairs.

Symptoms

•Steering wheel shakes or vibrates during braking
•Brake pedal pulsates or feels uneven
•Increased stopping distance
•Possible noise from brake components
•Vibration felt through the seat or floor

Diagnostic Steps

1
Inspect brake pads for wear and unevenness.
2
Check brake rotors for warping or damage.
3
Examine wheel alignment and balance.
4
Inspect suspension components for wear or damage.
5
Scan for any error codes related to the 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

•Jack
•Jack stands
•Lug wrench
•OBD-II scanner
•Torque wrench
•Impact wrench
•Dial indicator

Parts Required

•Replacement brake pads if necessary
•Replacement rotors if necessary
•Suspension components if damaged

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Solution

1. Preparation

Tools Required: Jack, jack stands, lug wrench, OBD-II scanner, torque wrench, impact wrench (if available).
Ensure the vehicle is on a flat surface and the parking brake is engaged.
Disconnect the negative battery terminal to ensure safety.

2. Inspect Brake Pads

Remove the wheel using the lug wrench.
Inspect the brake pads for uneven wear; replace if worn below specification (usually 3mm).
Parts Required: Replacement brake pads if necessary.
Reinstall the wheel and torque to manufacturer specifications.

3. Check Brake Rotors

After removing the wheel, visually inspect the rotors for signs of warping, scoring, or rust.
Use a dial indicator to measure rotor runout; replace if the runout exceeds specifications (typically 0.002-0.004 inches).
Parts Required: Replacement rotors if necessary.
Install new rotors, ensuring they are torqued to manufacturer specifications.

4. Inspect Wheel Alignment and Balance

Check alignment settings against manufacturer specifications.
If misaligned, adjust the alignment using an alignment machine.
Inspect tire pressure and balance; correct as necessary.

5. Check Suspension Components

Inspect control arms, bushings, and struts for wear or damage.
Replace any worn components to ensure stability during braking.