🔧 Traverse - Rear Window Regulator Replacement

The rear window regulator is the scissor/cable mechanism that moves the glass up and down. When it fails, the window may drop, bind, move crooked, or the motor may run but the glass doesn’t move. This job involves removing the rear door panel, securing the glass, swapping the regulator, then reassembling carefully.

Difficulty Level: Intermediate | Estimated Time: 1.5-3.0 hours (per side)

Assumption: Rear power windows with a regulator assembly that bolts to the door.

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⚠️ Safety & Precautions

• ⚠️ Keep fingers clear of the window tracks and regulator while testing.
• ⚠️ Support the glass with tape before unbolting it, or it can drop and shatter.
• ⚠️ Key out of ignition while unplugging connectors to avoid shorts.
• ⚠️ Wear cut-resistant gloves when handling door sheet metal edges.
• ⚠️ Battery disconnect is recommended if you’ll be probing wiring: use a 10mm wrench to disconnect the negative terminal.

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🔧 Required Tools

You'll need the following tools for this repair:

• Safety glasses
• Cut-resistant gloves
• Floor jack (rated 3-ton minimum)
• Jack stands (rated 3-ton minimum)
• Wheel chocks
• Plastic trim removal tool set
• Panel clip pliers
• Pick tool
• Ratchet (3/8")
• Extension (3")
• 7mm socket
• 10mm socket
• Torque wrench (5–30 Nm range)
• Torx T30 driver
• Small flathead screwdriver
• Phillips screwdriver
• Needle-nose pliers
• Painters tape (2" wide)
• Shop light

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Rear window regulator - Qty: 1
• Rear window regulator motor - Qty: 1 (only if not included)
• Rear door trim panel clips - Qty: 1 set (as needed)
• Water shield butyl tape - Qty: 1

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📋 Before You Begin

• Park on level ground, set the parking brake, and use wheel chocks.
• Open the rear door fully and support it if you’re working on a slope.
• If you choose to disconnect the battery: use a 10mm wrench to remove the negative cable and wait 2 minutes before unplugging door electronics.
• Have painters tape ready to hold the glass up once it’s separated from the regulator.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the rear door trim panel

• Use a plastic trim removal tool set to gently pry off the small trim covers near the interior door handle and pull pocket (covers hide screws).
• Remove the door panel screws using a 7mm socket and/or Torx T30 driver (locations vary: typically behind the handle trim and in the pull cup).
• Use a plastic trim removal tool set to pop the door panel clips loose around the edges.
• Lift the panel straight up to unhook it from the window ledge.
• Unplug connectors (window switch, courtesy light) using a pick tool to release the lock tab if needed.
• Trim tool only—don’t pry with metal.

Step 2: Remove the water shield (vapor barrier)

• Carefully peel the plastic water shield back using your hands and a plastic trim removal tool set.
• Try not to tear it—this keeps water off the carpet and electronics.
• If the butyl adhesive won’t stick later, plan to use water shield butyl tape during reassembly.

Step 3: Position the glass so you can access the clamp bolts

• If the window still moves: reconnect the window switch temporarily, turn key to ON, and move the glass until you can see the glass-to-regulator clamp bolts through the access holes.
• If the window does not move: you may need to manually slide the glass to a position where the clamp bolts are accessible (go slow and keep the glass supported).
• Turn key OFF and unplug the switch again.

Step 4: Separate the glass from the regulator and secure the glass

• Loosen (do not fully remove unless required) the glass clamp bolts using a 10mm socket.
• Lift the glass fully up into the closed position by hand.
• Secure the glass to the door frame using painters tape (2" wide) (run 2–3 long strips from outside glass over the top of the door frame and down the inside).
• Torque to 10 Nm (89 in-lbs) for the glass clamp bolts during reassembly.
• More tape than you think you need.

Step 5: Remove the regulator (and motor if needed)

• Unplug the window motor connector using a pick tool if the lock tab is stubborn.
• Remove the regulator mounting bolts using a 10mm socket and ratchet (3/8").
• If your replacement regulator does NOT include the motor: remove the motor screws using a Torx T30 driver and transfer the motor to the new regulator.
• Work the regulator out through the largest access opening (rotate and “snake” it out carefully).
• Torque to 10 Nm (89 in-lbs) for the regulator-to-door bolts during reassembly.

Step 6: Install the new regulator

• Slide the new regulator into the door cavity and align it to the mounting holes.
• Hand-start all bolts first to avoid cross-threading, then tighten using a 10mm socket.
• Torque to 10 Nm (89 in-lbs) for the regulator-to-door bolts.
• If installing/transfering the motor: tighten motor fasteners using a Torx T30 driver (snug plus a small additional turn; do not strip).

Step 7: Reattach the glass to the regulator

• Plug in the motor connector.
• Reconnect the window switch temporarily.
• Turn key ON and slowly move the regulator until the clamps line up with the glass mounting points.
• Lower the glass carefully into the clamps (remove tape only when the glass is supported by the clamps).
• Tighten the glass clamp bolts using a 10mm socket.
• Torque to 10 Nm (89 in-lbs) for the glass clamp bolts.

Step 8: Function test before reassembly

• Cycle the window fully down and fully up using the switch.
• Watch the glass: it should track straight and seal evenly at the top.
• If it tilts or binds: loosen the regulator bolts slightly with a 10mm socket, align, then retorque.
• Turn key OFF and unplug the switch again.

Step 9: Reinstall the water shield and door panel

• Press the water shield back into place; add water shield butyl tape if the seal is weak.
• Reconnect all electrical connectors (switch, light).
• Hang the door panel on the top window ledge, then press clips in around the perimeter.
• Reinstall screws using a 7mm socket and/or Torx T30 driver.
• Reinstall trim covers using a plastic trim removal tool set.

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✅ After Repair

• Cycle the rear window up/down 5 times and listen for clicking or binding.
• Confirm the door handle works from inside and outside.
• Verify the window seals well (no wind noise) and the glass doesn’t wobble.
• If you disconnected the battery: reconnect it using a 10mm wrench and reset the clock/radio presets if needed.

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💰 DIY vs Shop Cost

Shop Cost: $350-$700 (parts + labor, per rear door)

DIY Cost: $90-$220 (parts only, per rear door)

You Save: $260-$480 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 1.5-3.0 hours.

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🎯 Ready to get started?

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