why is my Tesla Model S Plaid/Refresh (2021-present) making a whining noise

Solution

1. Preparation

• Ensure the vehicle is parked on a level surface and is powered off.
• Gather necessary tools and parts.

2. Inspect and Tighten Components

• Sub-steps:
  • Lift the vehicle using a jack and secure it with jack stands.
  • Inspect the undercarriage for loose bolts and components.
  • Tighten any loose bolts or screws on the electric motor and drivetrain.

3. Check Power Steering System

• Sub-steps:
  • Locate the power steering fluid reservoir.
  • Check fluid levels; add manufacturer-recommended fluid if low.
  • Inspect the power steering pump for any signs of leakage or damage.

4. Test Electric Motor

• Sub-steps:
  • Disconnect the vehicle's battery for safety.
  • Remove the electric motor cover to access the motor.
  • Inspect for any signs of wear, such as abnormal wear patterns or burnt areas.
  • Reconnect the battery and perform a test run to check for noise reduction.

5. Update Vehicle Software

• Sub-steps:
  • Ensure the vehicle is connected to Wi-Fi.
  • Check for any available software updates within the Tesla settings.
  • Install updates if available, as they may resolve performance or noise-related issues.

Tools Required:

• OBD-II scanner
• Torque wrench
• Jack and jack stands
• Fluid pump (for power steering fluid)

Parts Required:

• Power steering fluid (manufacturer-specific)
• Replacement bolts or screws (if damaged)

Estimated Repair Time: 2-4 hours

Safety Warnings:

• Disconnect the battery before working on electrical systems.
• Ensure the vehicle is securely lifted before working underneath it.