why does my Tesla Model S Original (2012-2020) have a clicking sound when braking?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

527 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 the clicking sound when braking 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 the braking system.
•Allow the vehicle to cool before working on brakes to prevent burns.

Symptoms

•Clicking noise when applying brakes
•Possible vibrations felt in the brake pedal
•Reduced braking efficiency
•Brake warning light illuminated on the dashboard
•Uneven wear on brake pads

Diagnostic Steps

1
Inspect brake pads for wear and damage.
2
Check for loose or damaged brake hardware (caliper bolts, anti-rattle clips).
3
Examine brake rotors for scoring or warping.
4
Inspect brake calipers for proper operation and any signs of binding.
5
Listen for sounds while applying brakes at different speeds to pinpoint the source.

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
•Jack and jack stands
•Wheel chocks

Parts Required

•Brake pads
•Brake rotors (if necessary)
•Caliper hardware kit (if damaged)

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Diagnostic Steps

1
Inspect brake pads for wear and damage.
2
Check for loose or damaged brake hardware (caliper bolts, anti-rattle clips).
3
Examine brake rotors for scoring or warping.
4
Inspect brake calipers for proper operation and any signs of binding.
5
Listen for sounds while applying brakes at different speeds to pinpoint the source.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Use wheel chocks to prevent the vehicle from rolling.
Disconnect the vehicle’s 12V battery to ensure safety while working.

2. Wheel Removal

Use a jack to lift the vehicle and secure it with jack stands.
Remove the lug nuts using a socket wrench.
Take off the wheel to access the brake assembly.

3. Brake Pad Inspection and Replacement

Inspect the brake pads for wear. If they are worn down below the manufacturer’s specifications, replace them:
- Sub-steps:
  - Remove the caliper bolts using a socket set.
  - Carefully lift the caliper away from the rotor (do not let it hang by the brake line).
  - Remove the old brake pads from the caliper bracket.
  - Install new brake pads, ensuring they are oriented correctly.

4. Hardware Inspection and Replacement

Check the caliper mounting hardware for wear or damage:
- Sub-steps:
  - Replace any damaged clips or bolts.
  - Ensure the caliper bolts are torqued to the vehicle manufacturer’s specifications (usually around 25-30 ft-lbs).

5. Brake Rotor Inspection

Inspect the brake rotors for any signs of scoring or warping:
- Sub-steps:
  - If the rotors are damaged, remove them from the hub.
  - Install new rotors if necessary, ensuring they are properly seated.
  - Torque the rotor retaining screws to specifications.

6. Reassembly

Reinstall the caliper and secure it with bolts.
Reattach the wheel and lug nuts, tightening them to the manufacturer’s torque specs.
Lower the vehicle from the jack stands.