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

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

490 words

Problem Statement

Learn how to diagnose and fix braking vibrations 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 battery before working on electrical systems.
•Use jack stands to support the vehicle when working under it.

Symptoms

•Vibration felt in the steering wheel when braking
•Pulsating brake pedal
•Shaking of the vehicle body
•Increased stopping distance
•Uneven tire wear

Diagnostic Steps

1
Inspect brake pads for wear and tear using a visual inspection.
2
Check brake rotors for warping or uneven surface by measuring thickness with a micrometer.
3
Examine suspension components, including control arms and bushings, for wear or damage.
4
Verify wheel balance and alignment using a wheel balancer and alignment machine.
5
Scan for any error codes related to the braking system with 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
•Brake cleaner
•OBD-II scanner
•Wheel balancer
•Wheel alignment machine

Parts Required

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

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Diagnostic Steps

1
Inspect brake pads for wear and tear using a visual inspection.
2
Check brake rotors for warping or uneven surface by measuring thickness with a micrometer.
3
Examine suspension components, including control arms and bushings, for wear or damage.
4
Verify wheel balance and alignment using a wheel balancer and alignment machine.
5
Scan for any error codes related to the braking system with an OBD-II scanner.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface.
Disconnect the negative battery terminal to avoid electrical issues during repair.

2. Inspect and Replace Brake Pads

Sub-steps:
1. Remove the wheel using a socket set.
2. Inspect brake pads for thickness; replace if below manufacturer's specifications (usually 3 mm).
3. If replacing, remove the caliper bolts and slide the caliper off.
4. Replace old pads with new ones, ensuring they are seated properly.
5. Reinstall the caliper and torque bolts to manufacturer's specifications (typically around 30-40 Nm).

3. Inspect and Resurface/Replace Brake Rotors

Sub-steps:
1. Remove the caliper and then the rotor.
2. Check the rotor for warping using a dial indicator; if warped, either resurface or replace.
3. Clean the rotor surface with brake cleaner before reinstalling.
4. Reinstall the rotor and torque to specifications (usually around 15-25 Nm).

4. Inspect Suspension Components

Sub-steps:
1. Visually inspect control arms, tie rods, and bushings for cracks or play.
2. If any components are worn, replace them using appropriate tools.
3. Ensure all bolts are torqued to specifications.

5. Wheel Alignment and Balancing

Sub-steps:
1. Use a wheel alignment machine to check the alignment settings.
2. Adjust the alignment as necessary to manufacturer's specifications.
3. Balance the wheels using a wheel balancer if any imbalance is detected.