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

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

529 words

Problem Statement

Discover how to diagnose and fix strange noises during acceleration in Tesla Model S Plaid. Step-by-step guide with symptoms, diagnostics, and solutions.

Affected Component

Drivetrain

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Ensure the vehicle is securely lifted and supported before working underneath.

Symptoms

•Unusual grinding or whining noise when accelerating
•Noise increases with speed
•Possible vibrations felt through the vehicle
•No warning lights illuminated on the dashboard
•Noise may vary depending on the driving mode selected (e.g., Chill vs. Sport)

Diagnostic Steps

1
Inspect the vehicle for any visible signs of damage or loose components in the drivetrain.
2
Check the wheel bearings for excessive play or wear.
3
Test drive the vehicle at various speeds to determine if the noise persists or changes.
4
Use a diagnostic tool to check for any stored error codes related to the electric motor or drivetrain.
5
Inspect the suspension components for wear or damage that may contribute to noise during acceleration.

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

•Jack
•Jack stands
•Torque wrench
•Socket set
•Diagnostic tool (OBD-II scanner)

Parts Required

•Wheel bearings (if worn)
•Suspension bushings or control arms (if damaged)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the vehicle for any visible signs of damage or loose components in the drivetrain.
2
Check the wheel bearings for excessive play or wear.
3
Test drive the vehicle at various speeds to determine if the noise persists or changes.
4
Use a diagnostic tool to check for any stored error codes related to the electric motor or drivetrain.
5
Inspect the suspension components for wear or damage that may contribute to noise during acceleration.

Solution

1. Preparation

Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Gather necessary tools: jack, jack stands, torque wrench, and a socket set.
Disconnect the battery to prevent any electrical issues during inspection.

2. Inspect Drivetrain Components

Sub-step 1: Lift the car using a jack and secure it with jack stands.
Sub-step 2: Inspect the drive axles for any signs of wear, such as torn boots or excessive play.
Sub-step 3: Check the electric motor mounts for integrity and tightness.
Sub-step 4: Inspect the transmission fluid level (if applicable) and condition.

3. Wheel Bearing Inspection

Sub-step 1: Spin each wheel by hand to listen for any unusual noises indicating bad bearings.
Sub-step 2: Check for wheel wobble by shaking the wheel at 12 and 6 o'clock positions.
Sub-step 3: If bad bearings are suspected, replace them following manufacturer specifications.

4. Suspension Component Check

Sub-step 1: Inspect all suspension components, including control arms and bushings, for wear or damage.
Sub-step 2: Tighten any loose bolts to manufacturer specifications.
Sub-step 3: Replace any worn or damaged parts.

5. Reassemble and Test

Sub-step 1: Reassemble any components that were removed.
Sub-step 2: Lower the vehicle and reconnect the battery.
Sub-step 3: Test drive the vehicle to ensure the noise has been resolved.