Essential Guide: How to Replace Power Steering Pump Subaru Outback – Save Time & Money

The Subaru Outback is known for its reliability and off-road capabilities, but even the toughest vehicles can experience wear and tear. One common issue that Outback owners might encounter is a failing power steering pump. If you’re noticing a whining noise, stiff steering, or fluid leaks, it’s time to consider replacing the power steering pump. This guide will walk you through the process of replacing the power steering pump on your Subaru Outback, providing detailed instructions and helpful tips along the way.

Assessing the Situation: Why Your Power Steering Pump Might Be Failing

Before diving into the replacement process, it’s important to understand why your power steering pump might be failing. Common causes include:

• Fluid leaks: Power steering pumps rely on fluid to operate, and leaks can lead to insufficient lubrication and eventual failure.
• Worn-out bearings: The pump’s internal bearings can wear down over time, causing noise and reduced performance.
• Overheating: Excessive heat can damage the pump’s seals and internal components.
• Contaminated fluid: Dirty or contaminated power steering fluid can cause friction and wear on the pump.

Gathering Your Supplies: What You’ll Need for the Replacement

To successfully replace your power steering pump, you’ll need the following tools and supplies:

• New power steering pump: Ensure you purchase the correct pump for your Subaru Outback model year.
• Power steering fluid: Use the recommended fluid type for your vehicle.
• Jack and jack stands: To safely lift the vehicle and provide stable support.
• Wrench set: You’ll need various sizes for removing and tightening bolts.
• Socket set: A socket set with extensions will be helpful for accessing hard-to-reach bolts.
• Torque wrench: To ensure proper tightening of bolts.
• Fluid drain pan: To collect the old power steering fluid.
• Gloves: Protect your hands from the fluid and grease.
• Safety glasses: Protect your eyes from debris and fluid.
• Shop towels: For cleaning and drying parts.

Getting Started: Preparing Your Subaru Outback for the Replacement

1. Park your vehicle on a level surface: Ensure the parking brake is engaged and the vehicle is in “Park” or “Neutral” gear.
2. Locate the power steering pump: The pump is typically located on the driver’s side of the engine compartment, near the front of the vehicle.
3. Disconnect the battery: Disconnect the negative terminal of the battery to prevent electrical hazards.
4. Release the pressure: Use a wrench to loosen the power steering fluid reservoir cap to release pressure in the system.
5. Prepare the drain pan: Place the drain pan under the power steering pump to collect the fluid when you remove the lines.

Replacing the Power Steering Pump: A Step-by-Step Guide

1. Remove the power steering lines: Carefully loosen and remove the power steering lines connecting to the pump. Use a wrench and be prepared for some fluid to leak out.
2. Remove the mounting bolts: Remove the bolts holding the power steering pump to the engine.
3. Remove the old pump: Carefully remove the old power steering pump from the engine.
4. Install the new pump: Position the new power steering pump in the same location as the old one, ensuring the mounting holes align.
5. Tighten the mounting bolts: Tighten the mounting bolts to the specified torque using a torque wrench.
6. Reconnect the power steering lines: Connect the power steering lines back to the new pump, ensuring they are securely fastened.
7. Fill the reservoir: Add fresh power steering fluid to the reservoir, making sure to check the fluid level and top it off as needed.
8. Start the engine: Start the engine and carefully turn the steering wheel from lock to lock several times to bleed the air from the system.
9. Check for leaks: Inspect the pump and lines for any leaks. If you find any, tighten or replace the leaking component.
10. Top off the fluid: After the system is bled, check the fluid level again and top it off as needed.

Final Touches: Ensuring a Smooth Ride

Once the new power steering pump is installed and the system is bled, take your Subaru Outback for a test drive. Ensure the steering feels smooth and responsive, and there are no unusual noises. If you encounter any issues, double-check the connections and tighten any loose bolts.

Time for a Road Test: Putting Your New Pump to the Test

After completing the installation, it’s crucial to take your Subaru Outback for a test drive. This will allow you to assess the performance of the new power steering pump and ensure it’s operating correctly.

Here’s what to look for during your test drive:

• Smooth steering: The steering wheel should turn smoothly and effortlessly without any stiffness or resistance.
• No whining noises: The power steering pump should operate quietly without any noticeable whining or groaning sounds.
• No leaks: Carefully inspect the pump and lines for any signs of leaks.
• Fluid level: Check the power steering fluid level in the reservoir and top it off if necessary.

Wrapping Things Up: A Job Well Done

Replacing your Subaru Outback’s power steering pump might seem intimidating, but with the right tools, patience, and this step-by-step guide, you can tackle this job with confidence. Remember to follow the instructions carefully and prioritize safety throughout the process.

What People Want to Know

Q: How often should I change the power steering fluid?

A: It’s recommended to change the power steering fluid every 30,000 to 50,000 miles, or as recommended by your Subaru Outback‘s owner’s manual.

Q: Can I use regular hydraulic fluid in my Subaru Outback‘s power steering system?

A: No, it’s essential to use the specific power steering fluid recommended by Subaru for your Outback model year. Using the wrong fluid can damage the pump and other components.

Q: What are some signs that my power steering pump is failing?

A: Common signs include whining or groaning noises from the pump, stiff steering, fluid leaks, and a decrease in steering responsiveness.

Q: Can I drive my Subaru Outback with a failing power steering pump?

A: While you can drive your Outback with a failing pump for a short time, it’s not recommended. A failing pump can lead to complete steering failure, making it unsafe to drive.