why is my Tesla Model S Original (2012-2020) making a noise when coming to a stop

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

544 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 unusual brake noise 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 to avoid any electrical shorts.
•Allow the vehicle to cool before performing any work on the brakes to prevent burns.

Symptoms

•Noise occurs primarily during deceleration and coming to a stop
•Sound may vary in pitch or intensity based on speed
•Possible vibrations felt through the brake pedal
•Brake warning light illuminated (if applicable)
•Unusual wear on brake pads or rotors (if inspected visually)

Diagnostic Steps

1
Inspect the brake pads for wear and proper installation.
2
Check the brake rotors for warping or uneven surfaces.
3
Examine the calipers for proper function and any sticking issues.
4
Inspect the suspension components for wear or damage (e.g., bushings, struts).
5
Scan for any fault codes using an OBD-II scanner related to the braking system.
6
Test drive the vehicle at various speeds to replicate the noise and determine if it changes under different conditions.

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 cleaner
•OBD-II scanner

Parts Required

•Brake pads
•Brake rotors (if necessary)
•Suspension bushings or struts (if necessary)

Related Faults

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Diagnostic Steps

1
Inspect the brake pads for wear and proper installation.
2
Check the brake rotors for warping or uneven surfaces.
3
Examine the calipers for proper function and any sticking issues.
4
Inspect the suspension components for wear or damage (e.g., bushings, struts).
5
Scan for any fault codes using an OBD-II scanner related to the braking system.
6
Test drive the vehicle at various speeds to replicate the noise and determine if it changes under different conditions.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Disconnect the battery to ensure safety while working on the braking system.
Tools Required: Socket set, torque wrench, brake cleaner, OBD-II scanner.

2. Inspect and Replace Brake Pads

Sub-steps:
1. Remove the wheel cover or wheel to access the brake assembly.
2. Use the socket set to remove the caliper bolts.
3. Carefully slide the caliper off the rotor and support it without straining the brake line.
4. Remove the old brake pads from the caliper bracket.
5. Inspect the caliper for any sticking or damage.
6. Install new brake pads, ensuring they are properly aligned.
7. Reattach the caliper and torque the bolts to the manufacturer's specifications (typically 25-35 ft-lbs).

3. Inspect and Replace Brake Rotors (if necessary)

Sub-steps:
1. If the rotors are warped, use the socket set to remove them from the hub.
2. Clean the hub surface with brake cleaner to ensure a good fit.
3. Install new rotors, ensuring they are seated properly.
4. Reattach the wheel and torque the lug nuts according to specifications.

4. Inspect Suspension Components

Sub-steps:
1. While the vehicle is elevated, visually inspect all suspension components for wear, particularly bushings and struts.
2. Replace any damaged or worn parts following manufacturer specifications.
3. Reassemble any disassembled components and ensure all fasteners are torqued to manufacturer specifications.