why is my Tesla Model S Original (2012-2020) making a loud noise when accelerating?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

488 words

Problem Statement

Learn how to diagnose and fix loud 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 drivetrain.

Symptoms

•Loud noise when accelerating
•Possible vibration felt through the floor or steering wheel
•Decreased acceleration performance
•Unusual sounds when decelerating
•Check for any warning lights on the dashboard

Diagnostic Steps

1
Inspect for loose or damaged components in the drivetrain.
2
Check the condition of the tires for uneven wear or damage.
3
Examine the suspension and steering components for wear or damage.
4
Use a diagnostic tool to check for any error codes related to the drivetrain.
5
Test the vehicle on different surfaces to isolate the noise source.
6
Listen for noise differences when in different driving modes (e.g., Sport vs. Standard).

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

•Floor jack
•Jack stands
•Wheel chocks
•Diagnostic tool

Parts Required

•Tires (if worn)
•Suspension components (if damaged)
•Drivetrain mounts (if worn)

Related Faults

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Diagnostic Steps

1
Inspect for loose or damaged components in the drivetrain.
2
Check the condition of the tires for uneven wear or damage.
3
Examine the suspension and steering components for wear or damage.
4
Use a diagnostic tool to check for any error codes related to the drivetrain.
5
Test the vehicle on different surfaces to isolate the noise source.
6
Listen for noise differences when in different driving modes (e.g., Sport vs. Standard).

Solution

1. Preparation

Tools Required: Floor jack, jack stands, wheel chocks.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Disconnect the 12V battery to avoid electrical issues during inspection.

2. Inspect Drivetrain Components

Sub-steps:
1. Lift the vehicle using a floor jack and secure it with jack stands.
2. Visually inspect the electric motor and transmission for any signs of wear or damage.
3. Check the mounting brackets for tightness and signs of wear.
4. Inspect the driveshaft and any CV joints or bearings for damage.

3. Check Suspension and Steering

Sub-steps:
1. Examine the suspension components (control arms, bushings, struts) for wear or damage.
2. Inspect the tie rods and ball joints for looseness.
3. Check for any play in the steering rack.

4. Tire Inspection

Sub-steps:
1. Remove the tires and inspect for uneven wear or damage.
2. Check tire pressure and ensure it is within the manufacturer's specifications.
3. Rotate or replace tires if necessary.

5. Reassemble and Test

Sub-steps:
1. Reinstall any components removed during inspection.
2. Reconnect the 12V battery.
3. Lower the vehicle and perform a test drive to confirm the noise has been resolved.