🔧 Yukon - Rear Door Window Regulator Replacement

On your Yukon, the rear door window regulator is the cable-and-track assembly that raises/lowers the glass. Replacement usually fixes a window that’s stuck, crooked, grinding/clicking, or drops into the door.

Difficulty Level: Intermediate | Estimated Time: 2-3 hours (first time)

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⚠️ Safety & Precautions

• ⚠️ Disconnect the negative battery cable before working in the door (side-impact airbag wiring is routed there).
• ⚠️ Support the window glass with tape before loosening it so it can’t fall and shatter.
• ⚠️ Keep fingers clear of the regulator track and cable spool while powered.
• ⚠️ Do not turn the ignition on with door airbag connectors unplugged.

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🔧 Required Tools

You'll need the following tools for this repair:

• Safety glasses
• Cut-resistant work gloves
• Trim removal tool set
• Pick tool
• Ratchet
• 7mm socket
• 10mm socket
• Torx T30 screwdriver
• Torque wrench (in-lb)
• Painters tape (2 in.)
• Magnetic parts tray
• Needle-nose pliers
• Electric drill
• Drill bit set
• Pop rivet gun (specialty)

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Rear door window regulator assembly (correct side) - Qty: 1
• Rear door window regulator motor - Qty: 1 (only if not included)
• Door trim panel retainer clips - Qty: 6-10 (as needed)
• Window regulator rivet kit or bolt kit - Qty: 1
• Water shield butyl tape - Qty: 1 (as needed)

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📋 Before You Begin

• Park on level ground and open the rear door you’re working on.
• Lower the window to about halfway if it still moves (this lines up the glass fasteners with the access holes).
• Disconnect the battery: use a 10mm socket to remove the negative terminal and isolate it so it can’t spring back.
• Have painters tape ready to hold the glass up when the regulator is disconnected.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the rear door trim panel

• Use a trim removal tool set to gently pry off the trim covers in the pull handle/armrest area.
• Remove the door panel screws using a 7mm socket and a Torx T30 screwdriver (locations vary by option package; remove any you find).
• Use the trim removal tool set to pop the panel clips free around the perimeter.
• Lift the panel straight up to unhook it from the window ledge.
• Unplug the switch/lighting connectors using a pick tool to release tabs.

Step 2: Remove the water shield (vapor barrier)

• Peel the water shield back slowly by hand.
• If the butyl adhesive fights you, use a trim removal tool set to separate it without tearing the plastic.
• Set the shield aside where it won’t collect dirt.

Step 3: Support the window glass

• Use painters tape (2 in.) to tape the glass to the door frame (2–3 long strips from outside over the top and down inside).
• Use more tape than you think you need.

Step 4: Disconnect the glass from the regulator

• Reconnect the window switch temporarily and reconnect the battery only if needed to move the glass to the access position; then disconnect the battery again using a 10mm socket.
• Through the access holes, remove the glass-to-regulator fasteners using a 10mm socket.
• Torque to 89 in-lb (10 Nm) during reassembly.
• Once the fasteners are out/loose, slide the glass fully up by hand and re-tape it securely.

Step 5: Unplug the regulator motor

• Unplug the motor electrical connector using a pick tool to release the lock tab.

Step 6: Remove the regulator (bolted or riveted)

• Look at the regulator mounting points inside the door:
• If you see bolts: remove them with a 10mm socket.
• If you see large rivet heads: drill the rivets out using an electric drill and a drill bit set (start small, then step up until the head separates).
• A pop rivet gun pulls new rivets tight.
• Maneuver the regulator out through the main door opening.

Step 7: Transfer the motor (only if required)

• If your new regulator did not include a motor, remove the motor screws from the old regulator using a 10mm socket or Torx T30 screwdriver (varies by supplier).
• Install the motor onto the new regulator and tighten evenly.

Step 8: Install the new regulator

• Position the new regulator into the door the same way the old one came out.
• If bolted: install mounting bolts by hand, then tighten with a 10mm socket.
• Torque to 89 in-lb (10 Nm) for regulator-to-door fasteners (typical for this application).
• If riveted: install new rivets using a pop rivet gun (specialty) (a rivet gun is a hand tool that pulls a rivet until it clamps tight, then snaps the mandrel).
• Reconnect the motor connector until it clicks.

Step 9: Reattach the glass to the regulator

• Carefully remove some tape so the glass can lower slightly into position.
• Align the glass with the regulator clamps/holes and start the fasteners by hand.
• Tighten with a 10mm socket.
• Torque to 89 in-lb (10 Nm).

Step 10: Function test before reassembly

• Reconnect the battery negative terminal using a 10mm socket.
• Turn the ignition on and run the window fully down and fully up while watching for tilting or binding.
• If it tilts, loosen the glass fasteners slightly with a 10mm socket, square the glass in the run channels, then re-tighten to 89 in-lb (10 Nm).
• Disconnect the battery again with a 10mm socket before reinstalling the water shield and trim (recommended).

Step 11: Reinstall the water shield and door panel

• Press the water shield back into the butyl; add water shield butyl tape if it won’t stick.
• Reconnect all door-panel connectors.
• Hang the panel on the top ledge, then press the clips in around the perimeter.
• Reinstall screws using a 7mm socket and Torx T30 screwdriver.
• Reconnect the battery negative terminal using a 10mm socket.

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✅ After Repair

• Run the rear window up/down 5–10 times to confirm smooth travel and consistent sealing.
• Listen for clicking (cable misrouted) or popping (glass not seated in clamps).
• Confirm the door locks, speaker, and window switch all work (connectors fully seated).
• If the auto-up/down feature acts strange, cycle the window fully down, then fully up and hold the switch up for 2 seconds.

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💰 DIY vs Shop Cost

Shop Cost: $350-$700 (parts + labor)

DIY Cost: $90-$250 (parts only)

You Save: $260-$450 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?

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