🔧 Charger - Rear Door Lock Actuator Replacement

On your Charger, the rear “door lock actuator” is part of the door latch assembly inside the door. Replacing it means removing the interior door panel, disconnecting the latch/handle cables and electrical connector, then swapping the latch/actuator and reassembling.

Quick question: is it the left-rear (driver side) or right-rear (passenger side) door? The process is the same, but the part is different.

Difficulty Level: Intermediate | Estimated Time: 1.5-3.0 hours

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⚠️ Safety & Precautions

• ⚠️ Disconnect the battery negative cable before door work; doors may contain side-impact airbag wiring.
• ⚠️ Keep the key fob away from the car while working to prevent wake-ups/lock cycling.
• ⚠️ Support the door panel as you remove it; don’t let it hang by wiring.
• ⚠️ Wear safety glasses; clips can pop loose suddenly.

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🔧 Required Tools

You'll need the following tools for this repair:

• Safety glasses
• Mechanic gloves
• Trim removal tool set (plastic) (specialty)
• Pick tool (small) (specialty)
• Phillips screwdriver #2
• Flat-blade screwdriver (small)
• Ratchet (3/8")
• Extension (3" 3/8")
• 10mm socket
• Torx T20 bit
• Torx T30 bit
• Torque wrench (in-lb or low Nm range)
• Needle-nose pliers
• Painter’s tape
• Magnetic parts tray
• Work light

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Rear door lock actuator/latch assembly - Qty: 1
• Rear door trim panel retainer clips - Qty: 1 set
• Butyl tape (door water shield adhesive) - Qty: 1

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📋 Before You Begin

• Park on level ground, shift to Park, and keep a window partially down (helps if the door gets stuck locked).
• Use a 10mm socket to disconnect the battery negative cable, then wait 2 minutes before unplugging door connectors.
• Know your tools: a trim removal tool is a plastic pry tool that removes panels without scratching.
• Put painter’s tape along the door edge and near the handle area to protect paint/trim.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the rear interior door handle trim

• Use a trim removal tool set (plastic) (specialty) to carefully pry off the small trim cover near the interior handle area.
• Use a Phillips screwdriver #2 or Torx T20 bit (varies by build) to remove the screw(s) hidden behind the cover.
• Go slow to avoid snapping the cover tabs.

Step 2: Remove screws from the armrest/pull handle area

• Use a trim removal tool set (plastic) (specialty) to pop up the armrest/pull cup insert or cover (if equipped).
• Use a 10mm socket and ratchet (3/8") to remove the bolts/screws in the pull handle/armrest area.
• Place hardware in a magnetic parts tray.

Step 3: Release the door panel clips and lift the panel off

• Start at the bottom edge: slide in the trim removal tool set (plastic) (specialty) and pop the clips free one-by-one.
• Once clips are loose, lift the entire panel upward to unhook it from the window channel.
• Support the panel with your knee so it doesn’t pull on the wiring.

Step 4: Disconnect electrical connectors

• Use a pick tool (small) (specialty) to gently release locking tabs, then unplug the window switch/door module connectors.
• If equipped with a courtesy light at the bottom of the panel, unplug it using a flat-blade screwdriver (small) to release the tab.

Step 5: Remove the water shield (vapor barrier)

• Peel the water shield back carefully by hand; warm adhesive releases easier.
• If needed, use butyl tape (door water shield adhesive) later to reseal any areas that won’t stick.
• Don’t tear the shield—water leaks happen fast.

Step 6: Disconnect the interior handle cable(s) from the latch

• Locate the cable(s) running from the interior handle area to the latch.
• Use needle-nose pliers to rotate the cable housing out of its bracket, then lift the cable end out of the lever.
• Take a photo with your phone for routing before removal.

Step 7: Unbolt the latch/actuator from the door edge

• Open the rear door and locate the latch fasteners on the trailing edge of the door (near the striker).
• Use a Torx T30 bit, ratchet (3/8"), and extension (3" 3/8") to remove the latch mounting screws.
• When reinstalling: Torque to 9 Nm (80 in-lbs).

Step 8: Remove the latch/actuator from inside the door

• Inside the door, unplug the latch electrical connector using a pick tool (small) (specialty).
• Maneuver the latch out through the access opening. Use a work light to avoid snagging cables.

Step 9: Install the new latch/actuator

• Compare the old and new latch/actuator: connector position and cable levers should match.
• Feed the new latch into position and plug in the connector until it clicks.
• Install the latch screws using a Torx T30 bit and ratchet (3/8"), then Torque to 9 Nm (80 in-lbs) with a torque wrench.

Step 10: Reconnect cables and verify mechanical operation

• Reconnect the handle cable(s): seat the cable end in the lever, then snap the housing back into its bracket (use needle-nose pliers if needed).
• Before reassembling the door panel, manually test the latch by closing it with a screwdriver (don’t slam the door).
• Use a flat-blade screwdriver (small) to flip the latch back open afterward.

Step 11: Reinstall the water shield

• Press the shield back onto the adhesive all the way around.
• Use butyl tape (door water shield adhesive) to reseal any spots that won’t stick.

Step 12: Reinstall the door panel

• Reconnect all electrical connectors (use a work light to verify they’re fully seated).
• Hook the top of the panel into the window channel, then press clips in around the perimeter using your palm.
• Reinstall screws/bolts with a 10mm socket and ratchet (3/8"), then reinstall trim covers using a trim removal tool set (plastic) (specialty).

Step 13: Reconnect the battery

• Use a 10mm socket to reconnect the battery negative cable.

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✅ After Repair

• Test from inside and outside: lock/unlock with the switch, key fob, and exterior handle.
• Confirm the rear door opens from inside and outside and that the child safety lock (if used) still functions correctly.
• Listen for smooth actuator movement (no grinding/clicking loops).
• If any warning lights appear after reconnecting the battery, recheck door connectors for full engagement.

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💰 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.

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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.