why does my Tesla Model Y Current (2020-present) shake when I brake

Tesla Model Y Current (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

439 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 Y. 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 wear safety goggles and gloves when working on brake components.
•Ensure the vehicle is securely supported on jack stands before working underneath.

Symptoms

•Shaking or vibrating sensation in the steering wheel during braking
•Pulsation felt in the brake pedal
•Increased stopping distance
•Noise coming from the brake assembly
•Uneven wear on brake pads or rotors

Diagnostic Steps

1
Inspect the brake rotors for warping or uneven wear using a dial indicator.
2
Check brake pads for wear and ensure they are properly seated.
3
Examine wheel alignment and suspension components for any signs of damage or wear.
4
Scan for any error codes using an OBD-II scanner to identify any electronic issues.
5
Check tire balance and condition, ensuring no bulges or uneven wear exist.

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

•Jack and jack stands
•Lug wrench
•Torque wrench
•Dial indicator
•Basic hand tools (wrenches, sockets)

Parts Required

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

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Diagnostic Steps

1
Inspect the brake rotors for warping or uneven wear using a dial indicator.
2
Check brake pads for wear and ensure they are properly seated.
3
Examine wheel alignment and suspension components for any signs of damage or wear.
4
Scan for any error codes using an OBD-II scanner to identify any electronic issues.
5
Check tire balance and condition, ensuring no bulges or uneven wear exist.

Solution

1. Preparation

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

2. Remove Wheel

Loosen the lug nuts on the affected wheel while the vehicle is on the ground.
Lift the vehicle using a jack and secure it with jack stands.
Remove the wheel to access the brake components.

3. Inspect Brake Rotors

Use a dial indicator to measure the rotor runout. If the runout exceeds manufacturer's specifications, replace the rotor.
If the rotor is in spec but shows signs of scoring or uneven wear, consider resurfacing or replacing it.

4. Replace Brake Pads (if needed)

Remove the caliper by unbolting it and supporting it with a bungee cord or similar device to avoid straining the brake line.
Remove old brake pads and compare them with new pads for wear.
Install new brake pads into the caliper bracket, ensuring they are correctly positioned.

5. Reassemble Components

Reinstall the caliper over the new brake pads and torque the caliper bolts to the manufacturer's specifications (typically around 20-30 ft-lbs).
Reinstall the wheel and hand-tighten the lug nuts.

6. Lower Vehicle and Torque Lug Nuts

Carefully lower the vehicle back to the ground.
Torque the lug nuts to the manufacturer's specifications (usually around 75-100 ft-lbs).

Tools Required:

Jack and jack stands
Lug wrench
Torque wrench
Dial indicator
Basic hand tools (wrenches, sockets)

Parts Required:

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

Estimated Repair Time: 2-4 hours

Safety Warnings:

Always wear safety goggles and gloves when working on brake components.
Ensure the vehicle is securely supported on jack stands before working underneath.