why does my Toyota RAV4 XA40 (2013-2018) power steering make a whining noise

Solution

1. Preparation

• Gather necessary tools and parts.
• Park the vehicle on a flat surface and engage the parking brake.
• Disconnect the battery to prevent any electrical issues.

2. Check and Refill Power Steering Fluid

• Locate the power steering fluid reservoir.
• Remove the cap and check the fluid level; if low, fill with the recommended fluid type (Toyota ATF or Dexron II/III).
• Replace the cap securely after filling.

3. Inspect and Replace Power Steering Pump

• Tools Required: Socket set, wrench, power steering puller, torque wrench.
• Sub-steps:
  1. Remove the belt from the power steering pump by loosening the tensioner.
  2. Disconnect the hoses from the pump, ensuring to catch any spilled fluid.
  3. Unbolt the power steering pump from its mounting bracket.
  4. Install the new power steering pump, ensuring it is aligned correctly.
  5. Torque the bolts to the manufacturer’s specifications (typically around 25-30 ft-lbs).
  6. Reconnect the hoses and ensure they are secure and leak-free.

4. Replace or Adjust Power Steering Belt

• Inspect the belt for any signs of wear, fraying, or looseness.
• If necessary, replace the belt by loosening the tensioner and removing the old belt.
• Install a new belt, ensuring proper routing and tension according to the manufacturer’s specifications.