my Tesla Model S Original (2012-2020) shakes when I brake what could be the issue

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

543 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 braking vibration issues 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 the battery before working on electrical systems.
•Allow the vehicle to cool down before handling brake components.

Symptoms

•Shaking or vibration felt in the steering wheel during braking
•Pulsating brake pedal feedback
•Uneven wear on brake pads or rotors
•Increased stopping distance
•Noise from the brake area (grinding or squeaking)

Diagnostic Steps

1
Inspect brake rotors for warping or uneven wear using a dial indicator.
2
Check brake pad condition for uneven wear or damage.
3
Examine suspension components (control arms, bushings, tie rods) for wear or play.
4
Test drive the vehicle to reproduce the symptoms and confirm the issue.
5
Use a torque wrench to ensure wheel lug nuts are properly tightened to manufacturer specifications.

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

•Dial indicator
•Torque wrench
•Socket set
•Jack and jack stands
•Brake pad spreader

Parts Required

•New brake rotors
•New brake pads
•Suspension components (if worn)

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Diagnostic Steps

1
Inspect brake rotors for warping or uneven wear using a dial indicator.
2
Check brake pad condition for uneven wear or damage.
3
Examine suspension components (control arms, bushings, tie rods) for wear or play.
4
Test drive the vehicle to reproduce the symptoms and confirm the issue.
5
Use a torque wrench to ensure wheel lug nuts are properly tightened to manufacturer specifications.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the battery to ensure safety during repairs.

2. Inspect and Replace Brake Rotors

Tools Required: Dial indicator, torque wrench, socket set, jack and jack stands.
Sub-steps:
1. Raise the vehicle using a jack and secure it with jack stands.
2. Remove the wheel by loosening the lug nuts with a socket set.
3. Inspect the brake rotor for warping using the dial indicator; check for runout.
4. If warped, remove the brake caliper by loosening the caliper bolts.
5. Remove the brake rotor and replace it with a new one.
6. Reinstall the caliper and torque the bolts to manufacturer specifications (typically around 79 ft-lbs for Tesla).

3. Inspect and Replace Brake Pads

Tools Required: Socket set, torque wrench, brake pad spreader.
Sub-steps:
1. With the caliper removed, inspect the brake pads for even wear.
2. If worn unevenly or below the minimum thickness, remove the old pads.
3. Use a brake pad spreader to compress the caliper piston.
4. Install new brake pads, ensuring they seat correctly in the caliper bracket.
5. Reattach the caliper and torque the bolts to specifications.

4. Inspect Suspension Components

Tools Required: Socket set, pry bar, torque wrench.
Sub-steps:
1. Visually inspect suspension components for visible wear or damage.
2. Use a pry bar to check for play in the control arms and bushings.
3. Replace any worn components as necessary, following manufacturer guidelines for installation and torque specifications.