why is my Tesla Model S Original (2012-2020) making a strange noise when I accelerate

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

442 words

Problem Statement

Diagnose and fix strange noise during acceleration in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Drivetrain

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the 12V battery before working on electrical systems.
•Allow the vehicle to cool before inspecting the drive unit or brakes.

Symptoms

•Strange noise when accelerating
•Possible vibration felt through the cabin
•Loss of power or sluggish acceleration
•No warning lights illuminated on the dashboard
•Increased energy consumption displayed on the range monitor

Diagnostic Steps

1
Conduct a visual inspection of the undercarriage for any loose components or debris.
2
Check the drive unit for unusual wear or damage.
3
Use the Tesla service mode to check for any active error codes or warnings.
4
Inspect the wheels and tires for uneven wear or damage that could contribute to noise.
5
Test drive the vehicle to determine if the noise changes with speed or load.

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
•Screwdrivers
•Tesla diagnostic tool

Parts Required

•Replacement bolts or fasteners
•New tires
•Drive unit components

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Diagnostic Steps

1
Conduct a visual inspection of the undercarriage for any loose components or debris.
2
Check the drive unit for unusual wear or damage.
3
Use the Tesla service mode to check for any active error codes or warnings.
4
Inspect the wheels and tires for uneven wear or damage that could contribute to noise.
5
Test drive the vehicle to determine if the noise changes with speed or load.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is on a flat surface and in 'Park.'
Disconnect the 12V battery for safety.

2. Inspect and Secure Components

Sub-steps:
- Remove the undercarriage cover using a socket set.
- Inspect all visible components, including the drive unit and suspension for loose bolts or wear.
- Tighten any loose bolts to manufacturer specifications (consult service manual for torque values).
- Reinstall the undercarriage cover securely.

3. Drive Unit Inspection

Sub-steps:
- Remove the cover of the drive unit if accessible.
- Check for signs of fluid leaks or abnormal wear on bearings.
- If noise persists, the drive unit may need further disassembly or replacement.

4. Wheel and Tire Inspection

Sub-steps:
- Remove the wheel covers and inspect brake components for wear.
- Check for any damage to the tires, including bulges or uneven wear.
- Rotate or replace tires if necessary.