🔧 Edge - Starter Motor Replacement

Replacing the starter motor on your Edge means removing the failed starter from the lower engine/transmission area and installing a new one so the engine can crank normally again. On the 2.0L EcoBoost AWD layout, access is tight, so careful battery isolation and safe lifting are very important.

Difficulty Level: Intermediate | Estimated Time: 2-3 hours

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⚠️ Safety & Precautions

• ⚠️ Disconnect the negative battery cable before touching the starter. The main starter cable is always hot when the battery is connected.
• ⚠️ Let the engine, turbo area, and exhaust cool completely before working underneath.
• ⚠️ Support your Edge with jack stands only. Never work under a vehicle held up by a jack alone.
• ⚠️ The starter is heavy for its size. Keep one hand supporting it when removing the final mounting bolt.
• ⚠️ If your Edge has recent battery memory settings, you may need to reset auto-up windows, clock, and some infotainment preferences after reconnecting the battery.

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🔧 Required Tools

You'll need the following tools for this repair:

• 10mm socket
• 13mm socket
• 15mm socket
• 8mm socket
• 3/8-inch drive ratchet
• 3/8-inch drive 6-inch extension
• 3/8-inch drive universal joint
• Torque wrench 10-100 Nm
• Flat-blade screwdriver
• Trim clip removal tool
• Floor jack rated 3-ton minimum
• Jack stands rated 3-ton minimum
• Wheel chocks
• Battery terminal brush
• Work light
• Mechanic gloves
• Safety glasses

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Starter motor - Qty: 1
• Starter mounting bolts - Qty: 2, replace if corroded or damaged
• Battery terminal protectant - Qty: 1

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📋 Before You Begin

• Park your Edge on a level surface, shift to Park, and set the parking brake.
• Place wheel chocks behind the rear wheels.
• Open the hood and let the engine cool fully.
• Disconnect the negative battery cable using a 10mm socket. Move the cable aside so it cannot spring back onto the battery post.
• A universal joint is a small swivel adapter that helps your socket reach bolts at an angle.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Raise and Support the Front

• Use a floor jack rated 3-ton minimum to lift the front of your Edge at the front subframe lift point.
• Place jack stands rated 3-ton minimum under the proper front support points.
• Gently lower the vehicle onto the jack stands and shake the vehicle lightly to confirm it is stable.
• Put on safety glasses and mechanic gloves.

Step 2: Remove the Lower Splash Shield

• Use an 8mm socket to remove the lower splash shield fasteners.
• Use a trim clip removal tool to release any plastic push clips.
• Lower the splash shield and set it aside.
• Keep fasteners grouped by location.

Step 3: Locate the Starter

• Use a work light and look near the lower side of the engine where it meets the transmission bellhousing.
• The starter is a small electric motor with a thick battery cable and a smaller control wire attached to it.
• Before removal, take a photo of the wire routing with your phone so reinstalling is easier.

Step 4: Disconnect the Starter Electrical Connections

• Confirm the negative battery cable is still disconnected.
• Use a 13mm socket to remove the nut from the large starter battery cable terminal.
• Move the large cable aside without bending it sharply.
• Use a 10mm socket or flat-blade screwdriver, depending on connector style, to release the smaller starter control wire.
• Inspect the cable ends for corrosion. Clean lightly with a battery terminal brush if needed.

Step 5: Remove the Starter Mounting Bolts

• Support the starter with one hand.
• Use a 15mm socket, 3/8-inch drive ratchet, and 3/8-inch drive 6-inch extension to loosen the starter mounting bolts.
• If access is angled, add the 3/8-inch drive universal joint between the extension and socket.
• Remove the lower bolt first, then remove the upper bolt while holding the starter.
• Carefully lower the starter out of the engine bay.

Step 6: Compare the New Starter

• Place the old and new starter motor side by side.
• Confirm the mounting ears, gear position, electrical terminal locations, and connector style match.
• Do not install the new starter if the terminal layout or mounting pattern is different.
• Match before installing.

Step 7: Install the New Starter

• Position the new starter into the bellhousing opening by hand.
• Start both mounting bolts by hand first to prevent cross-threading.
• Use a 15mm socket, 3/8-inch drive 6-inch extension, and 3/8-inch drive ratchet to snug the bolts evenly.
• Use a torque wrench 10-100 Nm with a 15mm socket to tighten the starter mounting bolts to Torque to 48 Nm (35 ft-lbs).

Step 8: Reconnect Starter Wiring

• Install the large starter battery cable onto the main starter terminal.
• Use a 13mm socket and torque wrench 10-100 Nm to tighten the main cable nut to Torque to 12 Nm (106 in-lbs).
• Reconnect the smaller starter control wire until it clicks or seats fully.
• If equipped with a small retaining nut, use a 10mm socket and tighten it to Torque to 5 Nm (44 in-lbs).
• Apply a light coat of battery terminal protectant to exposed cable terminals if needed.

Step 9: Reinstall the Lower Splash Shield

• Lift the lower splash shield back into position.
• Use a trim clip removal tool by hand to reinstall plastic push clips.
• Use an 8mm socket to reinstall the splash shield screws.
• Snug the screws only. Do not overtighten plastic shield fasteners.

Step 10: Lower the Vehicle and Reconnect Battery

• Use the floor jack rated 3-ton minimum to lift slightly off the jack stands.
• Remove the jack stands rated 3-ton minimum.
• Lower your Edge fully to the ground.
• Reconnect the negative battery cable using a 10mm socket.
• Use a torque wrench 10-100 Nm with a 10mm socket to tighten the battery terminal nut to Torque to 6 Nm (53 in-lbs).

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✅ After Repair

• Start your Edge and listen for a strong, clean crank with no grinding noise.
• If the engine does not crank, recheck the large starter cable, small control wire, and battery terminal connection.
• Check underneath for any loose splash shield fasteners or tools left behind.
• Reset the clock and any driver preferences if they were lost after battery disconnect.
• Test the power windows. If auto-up/down does not work, hold each window switch down fully, then up fully for a few seconds to relearn travel.

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💰 DIY vs Shop Cost

Shop Cost: $550-$900 (parts + labor)

DIY Cost: $180-$380 (parts only)

You Save: $370-$520 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 1.5-2.5 hours.

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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.