how to fix Tesla Model S Original (2012-2020) that shakes when braking

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

549 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 when 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 disconnect the 12V battery before working on electrical systems to avoid accidental short circuits.
•Allow the brake components to cool before handling.
•Always wear protective eyewear and gloves.

Symptoms

•Steering wheel shakes during braking
•Vehicle vibrates or shudders when brakes are applied
•Uneven brake pad wear
•Pulsating brake pedal
•Increased stopping distance
•Noisy brakes (squeaking or grinding)

Diagnostic Steps

1
Inspect brake pads and rotors for wear and damage.
2
Check brake rotor thickness with a micrometer to ensure they are within specifications.
3
Examine wheel alignment and suspension components for wear or damage.
4
Perform a visual inspection of the brake calipers for proper operation.
5
Use an OBD-II scanner to check for any related error codes.
6
Test drive the vehicle to reproduce the shaking and evaluate severity.

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
•Jack stands
•Torque wrench
•Brake cleaner
•Brake lubricant
•Micrometer (optional for rotor thickness)

Parts Required

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

Related Faults

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Diagnostic Steps

1
Inspect brake pads and rotors for wear and damage.
2
Check brake rotor thickness with a micrometer to ensure they are within specifications.
3
Examine wheel alignment and suspension components for wear or damage.
4
Perform a visual inspection of the brake calipers for proper operation.
5
Use an OBD-II scanner to check for any related error codes.
6
Test drive the vehicle to reproduce the shaking and evaluate severity.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a flat surface and engage the parking brake.
Place wheel chocks behind the rear wheels for added safety.

2. Remove Wheel

Sub-steps:
1. Loosen lug nuts using a lug wrench.
2. Raise the front of the vehicle using a jack and secure it with jack stands.
3. Remove the lug nuts and take off the wheel.
Tools Required: Lug wrench, jack, jack stands.

3. Inspect and Replace Brake Components

Sub-steps:
1. Inspect the brake rotors for warping or scoring. Replace if necessary.
2. Check the brake pads for wear. Replace if the lining is less than 3mm.
3. Clean any debris from the rotor surface and brake caliper.
4. Apply brake lubricant to the back of the brake pads and caliper slide pins.
5. Reinstall new or machined rotors and brake pads.
Tools Required: Torque wrench, brake cleaner, brake lubricant.
Safety Warnings: Always wear protective eyewear and gloves.

4. Reinstall Wheel and Lower Vehicle

Sub-steps:
1. Place the wheel back onto the hub.
2. Hand-tighten the lug nuts in a star pattern.
3. Lower the vehicle to the ground and torque the lug nuts to the manufacturer’s specifications (usually 100-120 ft-lbs).
Tools Required: Torque wrench.

5. Test Drive

Sub-steps:
1. Conduct a test drive to check for any vibrations during braking.
2. Monitor brake performance and ensure no additional noises are present.
Tools Required: None.