🔧 Rear Door Lock Actuator - Replacement

The rear door lock actuator on your Explorer is built into the door latch assembly, so the repair is usually a latch replacement rather than a separate motor swap. You’ll remove the interior door panel, disconnect the latch rods and connector, then install the new latch/actuator assembly.

Difficulty Level: Intermediate | Estimated Time: 1.5-2.5 hours

---

⚠️ Safety & Precautions

• Disconnect the negative battery cable before starting. This helps prevent accidental power lock operation and airbag-related issues in the door.
• Work with the window fully closed. It gives you more room and reduces the chance of glass damage.
• Be careful with the side curtain airbag area near the upper door trim. Do not probe yellow airbag wiring connectors.
• Door clips can break easily. Pry straight and evenly to avoid cracking the panel.

---

🔧 Required Tools

You'll need the following tools for this repair:

• 7mm socket
• 10mm socket
• Ratchet
• Small extension
• Trim panel removal tool
• Flat plastic pry tool
• Torx T20 screwdriver
• Torx T30 screwdriver
• Needle-nose pliers
• Pick tool
• Safety glasses
• Mechanic gloves

---

🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Rear door lock actuator / latch assembly - Qty: 1
• Door panel clips - Qty: 1 set
• Foam vapor barrier adhesive or butyl tape - Qty: 1

---

📋 Before You Begin

• Park on level ground and set the parking brake.
• Lower the window only if needed for access, then return it fully up before removing the latch.
• Disconnect the negative battery cable and wait at least 10 minutes before working near the door wiring.
• Keep track of every screw and clip as you remove them. A small parts tray helps a lot.

---

🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the door trim panel

• Use a 7mm socket to remove the screws in the pull handle and lower door area.
• Use a trim panel removal tool to pop the door panel clips loose around the edges.
• Lift the panel straight up to unhook it from the window ledge.
• Disconnect the electrical connectors for the window switch and any courtesy light.
• Work slowly to avoid breaking clips.

Step 2: Remove the vapor barrier

• Peel back the foam vapor barrier carefully by hand.
• If the adhesive sticks hard, use a flat plastic pry tool to lift it without tearing.
• Set the barrier aside so you can reinstall it later.

Step 3: Disconnect the latch linkages

• Locate the lock rod and exterior handle rod at the latch opening.
• Use a pick tool or needle-nose pliers to release the plastic retaining clips.
• Slide the rods out of the latch levers.
• Unplug the electrical connector from the latch actuator.

Step 4: Remove the latch/actuator assembly

• Use a Torx T30 screwdriver to remove the latch retaining screws on the door edge.
• Support the latch with your hand while removing the last screw.
• Rotate and maneuver the latch assembly out through the access opening.

Step 5: Install the new latch/actuator assembly

• Compare the new part to the old one before installing it.
• Feed the new assembly into position and align it with the door edge opening.
• Install the retaining screws by hand first, then tighten with the Torx T30 screwdriver.
• Torque to 9 Nm (80 in-lbs).

Step 6: Reconnect the rods and wiring

• Reconnect the electrical connector until it clicks.
• Reinstall the lock rod and handle rod into their levers.
• Snap the plastic retaining clips back into place.
• Make sure each rod moves freely and is seated correctly.

Step 7: Test the latch before reassembly

• Reconnect the battery temporarily if needed for testing.
• Use the key fob, interior lock switch, and door handle to check lock and unlock operation.
• Close the door gently and verify it latches and opens properly.
• If it does not work, stop and recheck the rods and connector.

Step 8: Reinstall the vapor barrier and door panel

• Press the vapor barrier back into place. Use fresh adhesive or butyl tape if needed.
• Reconnect the door panel electrical connectors.
• Hang the panel on the window ledge first, then press the clips in around the edges.
• Reinstall all screws with the 7mm socket.

---

✅ After Repair

• Test the rear door lock several times with the key fob and door switch.
• Open and close the door multiple times to confirm the latch works smoothly.
• Check that the window, speaker, and any door controls still work.
• Listen for any rattles from loose clips or trim.

---

💰 DIY vs Shop Cost

Shop Cost: $350-$650 (parts + labor)

DIY Cost: $90-$220 (parts only)

You Save: $260-$430 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.

---

🎯 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.