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Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/my Tesla Model S Plaid/Refresh (2021-present) is making noise when I accelerate what's wrong

my Tesla Model S Plaid/Refresh (2021-present) is making noise when I accelerate what's wrong

Tesla Model S Plaid/Refresh (2021-present)

Severity: mediumDifficulty: medium2-4 hours
3 min read
488 words

Problem Statement

Discover solutions for unusual noise during acceleration in Tesla Model S Plaid. Follow our diagnostic steps and repair instructions for effective resolution.

Component
Electrical
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on the electric drivetrain.
  • ⚠Allow the vehicle to cool down before inspecting the drive unit.

Symptoms

  • •Unusual noise during acceleration (could be whining, grinding, or rattling)
  • •Possible loss of power or sluggish acceleration
  • •Vibrations felt through the vehicle during acceleration
  • •No warning lights illuminated on the dashboard
  • •Increased cabin noise level

Diagnostic Steps

  1. 1Perform a visual inspection of the undercarriage for any loose components or debris.
  2. 2Check the tire condition and pressure to rule out noise from tires.
  3. 3Use a diagnostic tool to scan for any stored error codes related to the powertrain or drivetrain.
  4. 4Inspect the drive unit and associated mounts for signs of wear or damage.
  5. 5Test drive the vehicle under different conditions to replicate the noise and identify its source.
  6. 6Check for any software updates that might address performance issues or unusual noises.

Solution

Solution

1. Preparation

  • Ensure the vehicle is parked on a level surface and the parking brake is engaged.
  • Gather necessary tools and parts for inspection and repair.

2. Inspect Drive Unit

  • Remove the undercarriage covers using a socket set.
  • Visually inspect the drive unit for signs of damage or leaks.
  • Check the drive shaft for play or unusual wear.
  • Inspect the motor mounts for deterioration.

3. Addressing Identified Issues

  • If there is a damaged drive unit, remove the drive unit using a lift or jack stands.
    • Disconnect the battery pack to ensure safety.
    • Detach electrical connectors and fluid lines as necessary.
    • Remove mounting bolts and carefully extract the drive unit.
  • Replace any worn components, such as motor mounts or the drive unit itself.
  • Reinstall the drive unit, ensuring all connections are secure and properly torqued to manufacturer's specifications.

4. Reassembly

  • Reattach undercarriage covers and secure with bolts.
  • Reconnect the battery pack, ensuring all connections are clean and tight.

5. Final Checks

  • Perform a system check to ensure all components are functioning correctly.
  • Clear any diagnostic codes if necessary.

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
  • Diagnostic tool (OBD-II scanner)
  • Lift or jack stands

Parts Required

  • Motor mounts (if damaged)
  • Drive unit (if required)

Additional Information

Component

Electrical

Repair Time

2-4 hours

Difficulty

medium

Severity

medium

Tools

4 items

Parts

2 items

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