why is my Tesla Model 3 Highland (2024-present) making a strange noise when I accelerate

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and engage the parking brake.
• Disconnect the vehicle's battery for safety.

2. Inspect and Secure Loose Components

• Sub-steps:
  1. Inspect the undercarriage for any loose panels or shields that may be vibrating.
  2. Tighten any loose bolts or screws on the battery pack and drive unit assembly.
  3. Check the wheel lug nuts for proper torque (typically 80-100 ft-lbs for Tesla Model 3).

3. Examine the Drive Unit and Suspension

• Sub-steps:
  1. Remove the front and rear wheel covers to access the wheel wells.
  2. Visually inspect the suspension components for cracks or wear.
  3. Use a torque wrench to ensure that all suspension bolts are at the manufacturer-specified torque.

4. Address Electrical Connections

• Sub-steps:
  1. Inspect electrical connectors to the drive unit for signs of corrosion or damage.
  2. Clean any corroded connections with a suitable electrical cleaner.
  3. Reconnect and secure all electrical connections properly.

5. Test Drive and Monitor

• Sub-steps:
  1. Reconnect the vehicle battery.
  2. Perform a test drive to see if the noise persists.
  3. Monitor the vehicle’s performance for any improvement or recurring symptoms.

Tools Required:

• Tesla Diagnostic Tool
• Torque wrench
• Socket set
• Screwdrivers
• Electrical cleaner

Parts Required:

• Replacement fasteners (if any are found damaged)
• Suspension components (if worn or damaged)

Estimated Repair Time: 2-4 hours

Safety Warnings:

• Disconnect battery before working on electrical systems.
• Allow vehicle to cool down before inspecting the drive unit or battery.