my Toyota Camry XV40 has a high-pitched noise when accelerating

Solution

1. Preparation

• Tools Required: Socket set, wrench set, tension gauge, stethoscope, mechanic's gloves.
• Ensure the vehicle is parked on a level surface and the engine is off.
• Disconnect the negative battery terminal for safety.

2. Inspect and Replace Drive Belts

• Sub-steps:
  1. Remove the engine cover if applicable.
  2. Use a socket set to loosen the tensioner pulley and remove the drive belt.
  3. Inspect the old belt for any signs of wear or damage.
  4. If worn, replace with a new OEM belt, ensuring it matches specifications.
  5. Reinstall the belt ensuring it is seated correctly on all pulleys.
  6. Adjust the tensioner to apply the correct tension (refer to manufacturer's specifications).

3. Check and Replace Pulleys

• Sub-steps:
  1. Inspect the idler and tensioner pulleys for smooth operation.
  2. If any pulley is damaged or noisy, remove it using a socket set.
  3. Replace with a new OEM pulley.
  4. Reinstall the pulley and ensure it is properly aligned.

4. Final Assembly

• Reconnect the negative battery terminal.
• Start the engine and listen for any remaining noises.
• Ensure that all tools are removed from the engine bay.