why does my Tesla Model S Original (2012-2020) shake when I brake suddenly

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

506 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

•Always ensure the vehicle is securely elevated before working underneath.
•Allow the brakes to cool before handling after driving.

Symptoms

•Vibrations felt through the steering wheel during sudden braking
•Pulsating brake pedal feel
•Uneven or excessive wear on brake pads or rotors
•Noise such as squeaking or grinding when braking
•Vehicle pulling to one side during braking

Diagnostic Steps

1
Inspect brake rotor condition for warping or scoring.
2
Check brake pad thickness and evenness of wear.
3
Examine suspension components for wear or damage.
4
Verify wheel alignment and tire condition.
5
Scan for any brake system error codes 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

•Lug wrench
•Jack and jack stands
•Socket set
•Brake caliper tool (if applicable)
•Torque wrench

Parts Required

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

Related Faults

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Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is on a flat surface and engage the parking brake.
Use wheel chocks to prevent movement.

2. Inspect and Replace Brake Rotors

Remove Wheel
- Loosen lug nuts with a lug wrench.
- Jack up the vehicle and secure it with jack stands.
- Remove lug nuts and take off the wheel.
Remove Brake Caliper
- Use a socket set to remove caliper mounting bolts.
- Carefully slide the caliper off the rotor and support it with a bungee cord to avoid strain on the brake lines.
Remove Brake Rotor
- Inspect the rotor for warping or damage.
- If replacement is necessary, remove the rotor by unscrewing any retaining screws and sliding it off the hub.
Install New Rotor
- Position the new rotor onto the hub.
- Secure it with retaining screws if applicable.

3. Replace Brake Pads

Remove Old Brake Pads
- Slide out the old brake pads from the caliper bracket.
Insert New Brake Pads
- Lubricate the backing of the new pads with brake grease.
- Insert new pads into the caliper bracket.
Reinstall Brake Caliper
- Position the caliper over the new pads and secure with mounting bolts.
- Tighten bolts to the manufacturer's specifications.

4. Reinstall Wheel

Place the wheel back onto the hub.
Hand-tighten the lug nuts and lower the vehicle.
Torque the lug nuts to the manufacturer's specified torque value.