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

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

492 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

•Ensure the vehicle is securely lifted and supported when working underneath.
•Use proper personal protective equipment (PPE) when handling tires and suspension components.

Symptoms

•Vibrations felt through the steering wheel or floorboard during acceleration
•Unusual noises accompanying the shaking (e.g., clunking or grinding sounds)
•Decreased acceleration performance
•Steering wheel misalignment or pulling to one side
•Premature tire wear or damage

Diagnostic Steps

1
Inspect tires for uneven wear, proper inflation, and any visible damage.
2
Check wheel alignment and balance using a professional alignment machine.
3
Scan the vehicle's system for error codes using an OBD-II scanner.
4
Visually inspect the suspension components for wear or damage, including bushings and mounts.
5
Test drive the vehicle at various speeds to identify when the shaking occurs.
6
Inspect drivetrain components, including the driveshaft and differential, for any signs of wear or damage.

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
•Tire pressure gauge
•Tire balancing machine
•Wheel alignment machine
•Socket set

Parts Required

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

Related Faults

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Diagnostic Steps

1
Inspect tires for uneven wear, proper inflation, and any visible damage.
2
Check wheel alignment and balance using a professional alignment machine.
3
Scan the vehicle's system for error codes using an OBD-II scanner.
4
Visually inspect the suspension components for wear or damage, including bushings and mounts.
5
Test drive the vehicle at various speeds to identify when the shaking occurs.
6
Inspect drivetrain components, including the driveshaft and differential, for any signs of wear or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a flat surface and engage the parking brake.
Ensure the vehicle is in "Park" mode.

2. Tire Inspection and Repair

Check Tire Pressure: Use a tire pressure gauge to ensure all tires are inflated to the manufacturer’s specifications.
Inspect for Damage: Examine each tire for bulges, cuts, or uneven wear. Replace any damaged tires.
Balance Tires: If tires are damaged, replace them and have the wheels balanced using a tire balancing machine.

3. Wheel Alignment

Set up Alignment Equipment: Use a professional alignment machine.
Adjust Wheel Alignment: Follow the machine's instructions to adjust camber, caster, and toe angles to manufacturer's specifications.

4. Suspension Inspection and Repair

Visual Inspection: Inspect suspension components like control arms, tie rods, and bushings for wear or damage.
Replace Worn Components: If any components are found to be damaged or worn, replace them according to manufacturer specifications.

5. Drivetrain Check

Inspect Driveshaft and Differential: Look for any signs of wear, such as leaks or damaged seals.
Repair or Replace Components: If any issues are found, replace the affected drivetrain components.