why does my Toyota Corolla E170 (2013-2019) have a power steering fluid leak?

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Park the vehicle on a level surface and engage the parking brake.
• Disconnect the negative battery terminal to prevent electrical issues.

2. Identify and Replace Leaking Components

A. Hoses

• Step 1: Locate the power steering hoses connected to the pump and rack.
• Step 2: Remove the clamps securing the leaking hose using pliers.
• Step 3: Disconnect the hose from the pump/rack and inspect for cracks or wear.
• Step 4: Install the new hose by connecting it to the pump/rack and securing with clamps.

B. Power Steering Pump

• Step 1: Remove the drive belt from the power steering pump.
• Step 2: Unbolt the power steering pump from its mount using a socket set.
• Step 3: Disconnect the fluid lines from the pump and inspect for leaks.
• Step 4: Replace the pump if it is leaking from the housing or shaft seal.
• Step 5: Reinstall the new pump, reconnect the fluid lines, and secure with bolts.

C. Steering Rack

• Step 1: Raise the vehicle and secure it with jack stands.
• Step 2: Remove the steering rack from its mounting points.
• Step 3: Inspect the rack's seals for leaks and replace if necessary.
• Step 4: Reinstall the steering rack and ensure it is properly secured.

3. Refill Power Steering Fluid

• Step 1: Use the specified power steering fluid type (check owner’s manual).
• Step 2: Fill the reservoir to the recommended level.
• Step 3: Start the engine and turn the steering wheel from lock to lock to purge air from the system.