my Toyota Corolla E140 (2006-2013) makes a grinding noise when I turn the steering wheel

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface.
• Disconnect the battery to avoid electrical shorts.

2. Inspect Power Steering Fluid

• Locate the power steering reservoir.
• Remove the cap and check the fluid level; add fluid if low.
• Inspect the fluid for contamination; replace if necessary.

3. Check for Leaks

• Visually inspect the power steering hoses and connections for leaks.
• If leaks are found, replace the damaged hoses using the following steps:
  • Loosen the clamps using a screwdriver.
  • Remove the old hose and install the new one, ensuring a secure fit.
  • Tighten the clamps to the manufacturer's torque specifications.

4. Examine Steering Rack and Pinion

• Raise the front of the vehicle using a jack and secure it with jack stands.
• Inspect the steering rack for any signs of wear, such as leaks or physical damage.
• If the steering rack is damaged, remove it by:
  • Disconnecting the tie rods and marking their positions for alignment.
  • Removing mounting bolts and any electrical connections.
  • Installing a new steering rack and reassembling all components in reverse order.

5. Inspect Steering Column and Universal Joints

• Remove the lower cover of the steering column to access the universal joint.
• Check for binding or excessive play; replace if necessary.
• Reassemble the steering column cover securely.

6. Inspect Suspension Components

• Check the tie rods and ball joints for wear by grasping them and checking for play.
• Replace any worn components using the following steps:
  • Loosen the nut and remove the component.
  • Install the new part and tighten to manufacturer's specifications.