why does my Tesla Model S Plaid/Refresh (2021-present) shake when I brake

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

518 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 brake shaking issues in Tesla Model S Plaid (2021-present). 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 battery before working on electrical components.
•Allow the brakes to cool down before performing any inspections.

Symptoms

•Steering wheel shakes while braking
•Vibration felt in the brake pedal
•Uneven wear on brake pads or rotors
•Grinding noise during braking
•Reduced braking efficiency

Diagnostic Steps

1
Inspect brake rotors for warping or uneven surface.
2
Check brake pads for wear and ensure they are properly seated.
3
Examine the brake calipers for sticking or malfunctioning components.
4
Verify wheel alignment and balance.
5
Scan for any error codes related to the braking system 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

•Socket set
•Torque wrench
•Brake rotor removal tool
•Brake pad spreader tool
•OBD-II scanner

Parts Required

•Brake rotors
•Brake pads
•Brake calipers (if required)

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Diagnostic Steps

1
Inspect brake rotors for warping or uneven surface.
2
Check brake pads for wear and ensure they are properly seated.
3
Examine the brake calipers for sticking or malfunctioning components.
4
Verify wheel alignment and balance.
5
Scan for any error codes related to the braking system using an OBD-II scanner.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a flat surface and engage the parking brake.
Wear safety gloves and goggles.

2. Inspect and Replace Brake Rotors

Tools Required: Socket set, torque wrench, brake rotor removal tool.
Sub-steps:
1. Remove the wheel using a socket set.
2. Unbolt the brake caliper and hang it securely without stressing the brake line.
3. Remove the brake rotor by unbolting it if necessary.
4. Inspect the rotor for warping with a dial indicator; replace if warped beyond specification.
5. Install new rotors, ensuring they are clean and free of oil.
6. Torque the rotor bolts to manufacturer specifications (typically around 80-100 ft-lbs).

3. Inspect and Replace Brake Pads

Tools Required: Brake pad spreader tool, socket set.
Sub-steps:
1. Remove old brake pads from the caliper bracket.
2. Inspect the pads for uneven wear patterns; replace if necessary.
3. Install new brake pads ensuring they are properly aligned and seated.
4. Compress the caliper piston using a brake pad spreader tool for proper fit.
5. Reattach the caliper and torque the bolts to specifications.

4. Check Brake Calipers

Tools Required: Brake cleaner, inspection mirror.
Sub-steps:
1. Inspect calipers for signs of sticking or uneven movement.
2. Clean any debris and ensure that the caliper slides are lubricated.
3. Replace calipers if they are found to be malfunctioning.

5. Wheel Alignment and Balance

Tools Required: Alignment machine (may require professional service).
Sub-steps:
1. Take the vehicle to a professional shop for wheel alignment.
2. Ensure all wheels are balanced correctly to eliminate vibrations.