why does my Tesla Model S Plaid/Refresh (2021-present) car shake when accelerating

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

535 words

Problem Statement

Learn how to diagnose and fix shaking 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

•Disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before inspecting the suspension components.

Symptoms

•Shaking or vibration felt in the steering wheel or chassis during acceleration
•Increased noise from the drivetrain or suspension
•Uneven tire wear observed during inspection
•Possible warning messages or alerts on the dashboard
•Decreased acceleration performance or responsiveness

Diagnostic Steps

1
Inspect the tires for damage, uneven wear, or improper inflation.
2
Check for any visible damage to the suspension components, including control arms and bushings.
3
Scan the vehicle's computer using an OBD-II scanner for any error codes related to the powertrain or suspension.
4
Inspect the driveshaft and motor mounts for wear or damage.
5
Perform a visual inspection of the wheel alignment and balance.
6
Test drive the vehicle at various speeds to identify specific conditions under which shaking occurs.

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

•OBD-II scanner
•Socket set
•Torque wrench
•Jack
•Jack stands
•Alignment tool

Parts Required

•Tires (if damaged)
•Suspension components (if worn/damaged)
•Motor mounts (if degraded)

Related Faults

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Diagnostic Steps

1
Inspect the tires for damage, uneven wear, or improper inflation.
2
Check for any visible damage to the suspension components, including control arms and bushings.
3
Scan the vehicle's computer using an OBD-II scanner for any error codes related to the powertrain or suspension.
4
Inspect the driveshaft and motor mounts for wear or damage.
5
Perform a visual inspection of the wheel alignment and balance.
6
Test drive the vehicle at various speeds to identify specific conditions under which shaking occurs.

Solution

1. Preparation

Gather tools: socket set, torque wrench, jack, jack stands, OBD-II scanner.
Park the vehicle on a flat surface and engage the parking brake.
Disconnect the battery to ensure safety while working on the electrical components.

2. Tire Inspection and Rotation

Remove the wheel covers and loosen the lug nuts using a socket.
Lift the vehicle using a jack and secure it with jack stands.
Remove the wheels and inspect tires for uneven wear or damage.
Rotate the tires if necessary, ensuring proper placement according to the vehicle’s specifications.
Reinstall the wheels and torque the lug nuts to the manufacturer's specifications.

3. Suspension Component Inspection

Inspect control arms, bushings, and ball joints for signs of wear or damage.
Replace any damaged components found during the inspection.
Tighten all suspension bolts to the manufacturer's torque specifications.

4. Drivetrain Inspection

Inspect the driveshaft for any signs of wear, including cracks or excessive play.
Check motor mounts for deterioration and replace if necessary.
Re-torque all drivetrain mounting hardware to the specified torque settings.

5. Wheel Alignment and Balancing

Use a professional alignment tool to check and adjust the wheel alignment.
Balance all four wheels if any discrepancies are found during inspection.