🔧 Explorer - Power Steering Pump Replacement

Your Explorer does not use a traditional hydraulic power steering pump. It uses EPAS (Electric Power-Assisted Steering), which is an electric motor and control system built into the steering rack.

If you’re having steering issues (hard steering, warning lights, noises), the fix is usually diagnosis of the EPAS system or replacement of the steering rack/gear, not a pump.

Difficulty Level: Intermediate | Estimated Time: 0.5-1.0 hours (diagnosis/inspection)

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⚠️ Safety & Precautions

• ⚠️ Turn ignition OFF and remove the key before working near steering components.
• ⚠️ If lifting the front end, support with jack stands before going underneath.
• ⚠️ Keep hands clear of steering linkage while someone else turns the wheel.
• Battery disconnect is not required for basic inspection, but disconnecting the negative terminal is recommended if unplugging EPAS connectors.

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🔧 Required Tools

You'll need the following tools for this repair:

• OBD2 scan tool with Ford EPAS/ABS access (specialty)
• Floor jack (rated 3-ton minimum)
• Jack stands (rated 3-ton minimum)
• Wheel chocks
• Work light
• Safety glasses
• Nitrile gloves
• Tire pressure gauge
• Digital multimeter (specialty)
• Trim clip tool
• Socket set 8mm-21mm
• Ratchet
• Torque wrench (10-200 Nm range)

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Power steering pump - Qty: 0 (not equipped)
• Steering rack/gear assembly (EPAS) - Qty: 1 (only if confirmed failed)
• Outer tie rod end - Qty: 2 (only if worn; replace in pairs)
• Steering rack mounting bolts - Qty: 1 set (only if required by the part supplier)

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📋 Before You Begin

• Park on level ground, set the parking brake, and place wheel chocks behind the rear tires.
• Check tire pressures with a tire pressure gauge; low pressure can mimic “bad power steering.”
• If you will unplug steering/EPAS connectors, disconnect the battery negative terminal using a 10mm socket and wait 5 minutes.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Confirm EPAS (no hydraulic pump)

• Open the hood and look for a power steering fluid reservoir—your Explorer should not have one.
• If you do see a small reservoir labeled power steering (unusual), tell me—something would be non-standard.

Step 2: Scan for EPAS-related codes

• Plug in an OBD2 scan tool with Ford EPAS/ABS access (specialty) and read codes from PSC/EPAS, ABS, and PCM.
• Write down the exact code numbers (example format: Uxxxx, Cxxxx). These codes decide the correct repair.

Step 3: Quick mechanical checks (front end)

• Lift the front safely using a floor jack (rated 3-ton minimum) and support with jack stands (rated 3-ton minimum).
• Check for play in the wheels (hands at 3-and-9 o’clock) to feel for loose steering parts; use a work light to inspect tie rods and boots.
• Inspect steering rack boots for tears and heavy leakage. Small seep is different than dripping.

Step 4: Electrical checks if you have a warning light

• If codes point to voltage/power issues, use a digital multimeter (specialty) to check battery voltage and charging voltage.
• Look for corrosion or looseness at battery terminals (use socket set 8mm-21mm as needed).

Step 5: Decide the correct “replacement” part

• If the scan results and symptoms point to the EPAS unit/rack failure, the correct replacement is the steering rack/gear assembly.
• Rack replacement also requires a front wheel alignment afterward, and may require steering angle/EPAS calibration depending on scan tool capability.

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✅ After Repair

• Clear codes using the OBD2 scan tool with Ford EPAS/ABS access (specialty) and re-check after a short drive.
• If any steering/safety lights remain on, do not ignore them—re-scan and address the root code.
• If a steering rack is replaced: get a professional alignment immediately.

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💰 DIY vs Shop Cost

Shop Cost: $0-$0 (there is no pump to replace)

DIY Cost: $0-$0 (for “pump replacement”)

You Save: $0-$0 by doing it yourself!

If the actual fix is a steering rack, shops commonly charge several hours labor plus alignment.

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🎯 Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.

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Quick question (so I can guide the correct repair): What symptoms are you getting—hard steering, a “Power Steering Assist Fault” message, or a whining/grinding noise? If you can share any EPAS/PSC codes, I’ll tell you the exact next steps for your Explorer.