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

461 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

•Always disconnect the battery before working on electrical systems.
•Ensure the vehicle is securely supported before working underneath.

Symptoms

•Clunking noise when accelerating from a stop or while driving
•Possible vibration felt in the cabin
•Unusual sounds during gear shifts
•Reduced acceleration performance
•No error codes displayed on the vehicle's diagnostics

Diagnostic Steps

1
Perform a visual inspection of the undercarriage and suspension components for loose or damaged parts.
2
Check the driveshaft and axle connections for any signs of wear or looseness.
3
Use an OBD-II scanner to ensure no hidden error codes are present.
4
Inspect the motor mounts for signs of deterioration or damage.
5
Test the vehicle in different driving conditions (varying speeds and loads) to replicate the noise.

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

•Torque wrench
•Socket set
•OBD-II scanner
•Hydraulic lift or jack stands
•Pry bar

Parts Required

•OEM motor mounts
•OEM driveshaft or CV joints (if needed)

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Diagnostic Steps

1
Perform a visual inspection of the undercarriage and suspension components for loose or damaged parts.
2
Check the driveshaft and axle connections for any signs of wear or looseness.
3
Use an OBD-II scanner to ensure no hidden error codes are present.
4
Inspect the motor mounts for signs of deterioration or damage.
5
Test the vehicle in different driving conditions (varying speeds and loads) to replicate the noise.

Solution

1. Preparation

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

2. Inspect and Tighten Suspension Components

Sub-steps:
1. Raise the vehicle using a hydraulic lift or jack stands.
2. Inspect all suspension bolts (control arms, sway bar links) for tightness.
3. Tighten any loose bolts to the manufacturer's specified torque settings.
Tools Required: Torque wrench, socket set

3. Inspect Driveshaft and Axles

Sub-steps:
1. Remove any protective covers or shields to access the driveshaft and axles.
2. Check for any visible wear on the driveshaft and axles, including the CV joints.
3. If any components are worn, replace them with OEM parts.
Parts Required: OEM driveshaft or CV joints (if needed)
Tools Required: Socket set, pry bar

4. Motor Mount Inspection and Replacement

Sub-steps:
1. Inspect the motor mounts for cracks or signs of excessive wear.
2. If damaged, remove the old motor mounts carefully.
3. Install new motor mounts, ensuring they are torqued to specifications.
Parts Required: OEM motor mounts
Tools Required: Socket set, torque wrench