my Tesla Model S Plaid/Refresh (2021-present) makes a loud clunk when shifting into gear why is that...

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

527 words

Problem Statement

Learn how to diagnose and fix loud clunking noise during gear shifts in Tesla Model S Plaid. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow vehicle components to cool before inspection and repairs.

Symptoms

•Loud clunking noise during gear engagement
•Possible vibration felt through the vehicle
•Unusual delay in gear engagement
•Warning messages on the dashboard (if applicable)
•Increased energy consumption (potentially)

Diagnostic Steps

1
Inspect the vehicle for any visible signs of damage or wear on the drivetrain components.
2
Use the Tesla diagnostic tools to check for any error codes related to the transmission or drivetrain.
3
Check the fluid levels of the transmission and any associated lubricants.
4
Perform a visual inspection of the motor mounts and transmission mounts for signs of wear or failure.
5
Test the operation of the gears in a controlled environment to confirm the noise and its origin.

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
•OBD-II scanner
•Jack and jack stands
•Fluid pump

Parts Required

•Motor mounts
•Transmission mounts
•Transmission fluid (manufacturer-specific)

Related Faults

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Diagnostic Steps

1
Inspect the vehicle for any visible signs of damage or wear on the drivetrain components.
2
Use the Tesla diagnostic tools to check for any error codes related to the transmission or drivetrain.
3
Check the fluid levels of the transmission and any associated lubricants.
4
Perform a visual inspection of the motor mounts and transmission mounts for signs of wear or failure.
5
Test the operation of the gears in a controlled environment to confirm the noise and its origin.

Solution

1. Preparation

Tools Required: Socket set, torque wrench, OBD-II scanner, jack and jack stands.
Disconnect the battery to ensure safety while working on the vehicle.

2. Inspect and Replace Motor/Transmission Mounts

Remove Battery Cover
- Use the socket set to remove any bolts securing the battery cover.
- Carefully lift the cover and set it aside.
Remove the Driveshaft (if applicable)
- Use a jack to support the vehicle and remove the rear wheels for easier access.
- Unbolt the driveshaft from the transmission using the socket set and carefully lower it.
Inspect Mounts
- Visually inspect the motor and transmission mounts for cracks or excessive wear.
- If damaged, proceed to replace them.
Install New Mounts
- Position the new motor/transmission mounts in place and secure them using the torque specifications found in the service manual.
- Reinstall the driveshaft and rear wheels.

3. Fluid Check and Replacement

Check Fluid Levels
- Remove the transmission fluid fill plug and check the fluid level.
- If low or contaminated, drain the old fluid.
Replace Transmission Fluid
- Using a fluid pump, refill the transmission with the manufacturer-recommended fluid type.
- Replace the fill plug securely.

4. Reassemble and Test

Reconnect Battery
- Securely reconnect the battery and ensure all connections are tight.
Test Drive
- Perform a test drive to ensure the clunking noise is resolved and that the vehicle shifts smoothly.