my Tesla Model S Plaid/Refresh (2021-present) is shaking when braking, is there a problem?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

551 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. 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

•Ensure the vehicle is securely lifted and supported before working underneath.
•Allow brakes to cool before inspection or repair to prevent burns.

Symptoms

•Vehicle shakes or vibrates when braking
•Steering wheel vibrates noticeably while braking
•Increased stopping distance
•Brake pedal pulsates under foot
•Unusual noise (grinding or squeaking) when brakes are applied

Diagnostic Steps

1
Inspect brake pads for wear and thickness using a caliper.
2
Check brake rotors for warping or uneven wear by measuring thickness across multiple points.
3
Examine calipers for proper operation and signs of sticking or malfunction.
4
Inspect wheel alignment and suspension components for any loose or damaged parts.
5
Scan for any brake system error codes 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

•Lug wrench
•Jack and jack stands
•Socket set
•Torque wrench
•Micrometer (for rotor inspection)
•OBD-II scanner (if error codes are present)

Parts Required

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

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Diagnostic Steps

1
Inspect brake pads for wear and thickness using a caliper.
2
Check brake rotors for warping or uneven wear by measuring thickness across multiple points.
3
Examine calipers for proper operation and signs of sticking or malfunction.
4
Inspect wheel alignment and suspension components for any loose or damaged parts.
5
Scan for any brake system error codes using an OBD-II scanner.

Solution

1. Preparation

Gather tools and parts for the repair.
Ensure the vehicle is parked on a flat surface and engage the parking brake.
Disconnect the negative battery terminal to avoid any electrical issues.

2. Remove Wheel

Use a lug wrench to loosen the lug nuts of the affected wheel.
Raise the vehicle using a jack and secure it with jack stands.
Remove the lug nuts completely and take off the wheel.

3. Inspect and Replace Brake Pads

Remove the caliper by unscrewing the caliper bolts with a socket wrench.
Carefully slide the caliper off the rotor, supporting it with a bungee cord to avoid stress on the brake line.
Check the brake pads for wear; replace if they are below manufacturer specifications (usually 3mm).
Install new brake pads, ensuring they are aligned correctly in the caliper bracket.

4. Inspect and Resurface/Replace Rotors

Measure the thickness of the rotors using a micrometer; if below minimum thickness, replace rotors.
If rotors are above minimum thickness but warped, consider having them resurfaced.
If replacing, remove the rotor by unscrewing the retaining bolts and sliding it off the hub.
Install the new rotor, tightening the retaining bolts to the manufacturer's specified torque.

5. Reassemble and Test

Reattach the caliper over the new pads and rotor, tightening the caliper bolts to the specified torque.
Reinstall the wheel and hand-tighten the lug nuts.
Lower the vehicle and then tighten the lug nuts in a crisscross pattern to the specified torque.
Reconnect the negative battery terminal.