why does my Tesla Model S Original (2012-2020) shake when I accelerate

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

510 words

Problem Statement

Learn how to diagnose and fix shaking during acceleration in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostics, and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before performing any work on the drivetrain.

Symptoms

•Vibrations felt in the steering wheel during acceleration
•Shaking in the cabin, especially noticeable at higher speeds
•Noise accompanying the vibrations, potentially a grinding or clunking sound
•Decreased acceleration performance
•Uneven tire wear

Diagnostic Steps

1
Inspect tire condition and pressure for any abnormalities.
2
Check for any visible damage or wear on suspension components (e.g., control arms, bushings).
3
Use a diagnostic tool to scan for error codes related to the drivetrain or battery.
4
Test drive the vehicle to replicate the shaking and observe under various conditions.
5
Inspect the drive unit and motor mounts for any signs of wear or failure.
6
Check wheel alignment and balance.

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
•Jack and jack stands
•Tire pressure gauge
•Diagnostic scanner

Parts Required

•Tires (if needed)
•Suspension components (if damaged)
•Motor mounts (if needed)

Related Faults

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Diagnostic Steps

1
Inspect tire condition and pressure for any abnormalities.
2
Check for any visible damage or wear on suspension components (e.g., control arms, bushings).
3
Use a diagnostic tool to scan for error codes related to the drivetrain or battery.
4
Test drive the vehicle to replicate the shaking and observe under various conditions.
5
Inspect the drive unit and motor mounts for any signs of wear or failure.
6
Check wheel alignment and balance.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is on a level surface and safely secured with jack stands.
Disconnect the battery for safety.

2. Tire Inspection and Replacement

Sub-steps:
1. Remove the wheel covers or hubcaps.
2. Loosen the lug nuts using a socket wrench but do not completely remove them.
3. Raise the vehicle using a jack and secure with jack stands.
4. Remove the lug nuts and take off the wheel.
5. Inspect tires for uneven wear, bulges, or damage; replace if necessary.
6. Reinstall the wheel, hand-tighten the lug nuts, lower the vehicle, and torque lug nuts to the manufacturer's specification (typically 80-100 ft-lbs).

3. Suspension Component Inspection and Replacement

Sub-steps:
1. Visually inspect control arms, bushings, and shock absorbers for signs of wear or damage.
2. If damaged, remove the affected components using a socket set.
3. Replace with OEM parts, ensuring all bolts are torqued to the specified values.
4. Reassemble and check for proper alignment.

4. Drive Unit and Motor Mount Inspection

Sub-steps:
1. Remove the underbody shield if necessary.
2. Inspect the motor mounts for cracking or deterioration.
3. If the mounts are worn, replace them with new ones, ensuring proper alignment.
4. Reinstall the underbody shield.