my Tesla Model S Original (2012-2020) shakes when I brake what should I check

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

493 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 disconnect the vehicle's battery before working on electrical components.
•Allow the vehicle to cool before working on the braking system.

Symptoms

•Vehicle shakes or vibrates during braking
•Pulsation felt through the brake pedal
•Uneven wear on brake pads or rotors
•Increased stopping distance
•Possible warning light illuminated on the dashboard

Diagnostic Steps

1
Inspect brake pads for wear and evenness.
2
Check brake rotors for warping or scoring.
3
Examine brake calipers for proper operation.
4
Verify brake fluid level and condition.
5
Inspect suspension components for damage or wear.

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
•Jack
•Jack stands
•Rotor gauge
•Torque wrench
•Flashlight

Parts Required

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

Related Faults

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Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.

2. Remove Wheel

Sub-steps:
1. Loosen the lug nuts using a socket set.
2. Lift the vehicle with a jack and secure it with jack stands.
3. Remove the lug nuts completely and take off the wheel.
Tools Required: Socket set, jack, jack stands

3. Inspect Brake Components

Sub-steps:
1. Visually inspect brake pads for uneven wear; replace if worn beyond specifications.
2. Use a rotor gauge to measure rotor thickness and check for warping; replace if out of specification.
3. Check calipers for proper function; ensure they slide freely and do not stick.
Tools Required: Rotor gauge, flashlight

4. Replace Brake Pads or Rotors (if necessary)

Sub-steps:
1. If brake pads are worn, remove the caliper bolts and slide the caliper off.
2. Remove the old pads and install new pads, ensuring they are properly seated.
3. If rotors are warped, remove the rotor by removing the retaining screws and sliding it off the hub; replace with a new rotor.
4. Reinstall the caliper over the new pads and tighten bolts to manufacturer specifications (typically around 25-30 ft-lbs).
Tools Required: Torque wrench, socket set

5. Reinstall Wheel

Sub-steps:
1. Place the wheel back onto the hub.
2. Hand-tighten the lug nuts.
3. Lower the vehicle and torque the lug nuts to manufacturer specifications (typically around 100-120 ft-lbs).
Tools Required: Torque wrench