why does my Tesla Model S Plaid/Refresh (2021-present) make a clunking noise when accelerating

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

522 words

Problem Statement

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

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is on a flat surface and securely supported before working underneath
•Disconnect the battery before working on electrical components
•Always ensure the vehicle is securely supported when working beneath it

Symptoms

•Clunking noise during acceleration
•Vibration felt through the vehicle
•Reduced acceleration performance
•Noises may occur more prominently during hard acceleration
•Possible warning messages on the dashboard

Diagnostic Steps

1
Scan for error codes using OBD-II scanner
2
Inspect the suspension components, drivetrain, and motor mounts for any visible damage or wear
3
Verify that all wheel lug nuts are properly torqued to manufacturer specifications
4
Examine the drive axles for any signs of damage or play
5
Conduct a test drive while listening for noise and observing vehicle behavior under different acceleration conditions
6
Inspect the motor mounts for wear or damage

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

•OBD-II scanner
•Jack and jack stands
•Socket set
•Torque wrench
•Flashlight

Parts Required

•Drive axle (if damaged)
•Motor mounts (if worn)

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Diagnostic Steps

1
Scan for error codes using OBD-II scanner
2
Inspect the suspension components, drivetrain, and motor mounts for any visible damage or wear
3
Verify that all wheel lug nuts are properly torqued to manufacturer specifications
4
Examine the drive axles for any signs of damage or play
5
Conduct a test drive while listening for noise and observing vehicle behavior under different acceleration conditions
6
Inspect the motor mounts for wear or damage

Solution

1. Preparation

Tools Required: Jack and jack stands, socket set, torque wrench, OBD-II scanner, flashlight.
Safety Warnings: Ensure the vehicle is on a flat surface and securely supported before working underneath.

2. Inspect and Tighten Suspension Components

Sub-steps:
1. Raise the vehicle using a jack and secure it with jack stands.
2. Inspect all suspension components (control arms, bushings, struts) for wear or damage.
3. Tighten any loose bolts and nuts to the manufacturer's torque specifications.

3. Inspect and Replace Drive Axles (if necessary)

Sub-steps:
1. Remove the wheel to access the drive axle.
2. Check for excessive play or damage in the drive axle.
3. If damaged, remove the old drive axle by unbolting it from the hub and transmission.
4. Install a new drive axle, ensuring proper seating and torque on all fasteners.

4. Check and Replace Motor Mounts (if necessary)

Sub-steps:
1. Disconnect the battery to avoid electrical issues while working on the motor mounts.
2. Remove any covers that obstruct access to the motor mounts.
3. Inspect the motor mounts for cracks or signs of deterioration.
4. If necessary, unbolt the old motor mounts and replace them with new ones.
5. Reassemble and reconnect the battery.