🔧 Edge - Rear Window Regulator Replacement

The rear window regulator is the lift mechanism that moves the glass up and down. If the window is stuck, drops into the door, clicks/grinds, or moves crooked, the regulator is usually broken and needs replacement.

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

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⚠️ Safety & Precautions

• ⚠️ Keep fingers clear of the regulator and glass while testing—pinch hazard.
• ⚠️ Support the window glass with tape before unbolting it, or it can drop suddenly.
• ⚠️ Turn ignition OFF and remove the key/fob from the vehicle while your hands are inside the door.
• ⚠️ If your rear door has a side airbag, do not use test lights on connectors; avoid pulling on yellow airbag wiring.
• ⚠️ Battery disconnect is recommended if you’ll unplug airbag-related connectors: use a 10mm wrench, then wait 3 minutes before working.

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🔧 Required Tools

You'll need the following tools for this repair:

• Safety glasses
• Mechanic gloves
• Trim removal tool set
• Small flathead screwdriver
• Phillips screwdriver
• 1/4" drive ratchet
• 3/8" drive ratchet
• 7mm socket
• 8mm socket
• 10mm socket
• Torx T20 bit
• Torx T25 bit
• Torque wrench (in-lb)
• Needle-nose pliers
• Painters tape (1.5" wide)
• Magnetic pickup tool
• Work light

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Rear window regulator assembly - Qty: 1
• Rear window motor - Qty: 1 (only if not included with regulator)
• Door trim panel clips - Qty: 6-12 (as needed)
• Butyl tape (vapor barrier sealer) - Qty: 1

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📋 Before You Begin

• Park on level ground, shift to Park, and set the parking brake.
• Lower the affected rear window (if it still moves) to about halfway so the glass fasteners are reachable through the access holes.
• If you plan to disconnect the battery: use a 10mm wrench to remove the negative cable and wait 3 minutes.
• Take photos as you unplug connectors.

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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 (plastic pry tools that pop panels without scratching) to gently pry up the window switch bezel.
• Unplug the window switch connector by pressing the lock tab; use a small flathead screwdriver only if needed to help release the tab.
• Remove any visible screws in the pull handle/armrest area using a 7mm socket or Torx T20 bit (fastener types can vary by door panel).
• Starting at the bottom edge, use the trim removal tool set to pop the panel clips free around the perimeter.
• Lift the door panel straight up to unhook it from the window ledge.
• Unplug remaining connectors (speaker/courtesy light) and unclip the door handle cable using needle-nose pliers if needed.

Step 2: Remove and save the vapor barrier

• Peel back the plastic water shield (vapor barrier) slowly by hand; use a trim removal tool set to help separate the sticky butyl.
• Try not to tear it—this keeps water off the electronics.
• If the butyl is messy or won’t reseal, plan to replace it with butyl tape during reassembly.

Step 3: Secure the window glass

• If the glass is up, turn ignition ON briefly and use the switch to move the glass until the clamp/bolt area is visible through the access holes; then turn ignition OFF.
• Use painters tape (1.5" wide) to tape the glass to the door frame (run several strips from outside glass, up over the frame, and down the inside).
• Use more tape than you think you need.

Step 4: Detach the glass from the regulator

• Through the access holes, locate where the regulator attaches to the bottom of the glass (clamps or bolts).
• Use an 8mm socket or 10mm socket to loosen/remove the fasteners (fastener size can vary by production).
• Carefully push the glass slightly up by hand and re-tape it so it stays fully supported.

Step 5: Remove the regulator and motor assembly

• Unplug the window motor connector.
• Remove the regulator mounting bolts using a 10mm socket.
• If the motor is separate from the regulator, remove motor fasteners using a Torx T25 bit and transfer the motor to the new regulator (if reusing).
• Work the regulator assembly out through the largest access opening; use a work light so you don’t snag wiring.

Step 6: Install the new regulator (and motor if needed)

• Slide the new regulator into the door in the same orientation as the old one.
• Hand-start all mounting bolts first, then tighten with a 10mm socket.
• Torque to 8-10 Nm (71-89 in-lb) using a torque wrench (in-lb) where applicable.
• If you transferred the motor, install it with a Torx T25 bit and tighten evenly.

Step 7: Reattach the glass to the regulator

• Remove some tape so the glass can lower carefully into position.
• Align the glass in the regulator clamps/holes.
• Install and tighten the glass fasteners using an 8mm socket or 10mm socket.
• Torque to 8-10 Nm (71-89 in-lb) (do not overtighten—glass can crack).

Step 8: Function test before reassembly

• Plug in the window switch temporarily and the motor connector.
• Turn ignition ON and run the window down and up using the switch while watching the regulator through the access hole.
• Confirm the glass stays level in the run channels and doesn’t bind or jump.
• Turn ignition OFF and unplug the switch again.

Step 9: Reinstall vapor barrier and door panel

• Reseal the vapor barrier using butyl tape; press firmly all the way around.
• Reconnect all electrical connectors and the door handle cable.
• Hang the door panel on the top lip first, then press the clips in around the edges.
• Reinstall screws using a 7mm socket or Torx T20 bit.
• Reinstall the switch bezel using your hands; use a trim removal tool set only if needed.

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✅ After Repair

• Test the rear window from the driver master switch and the rear door switch.
• If the one-touch or anti-pinch acts weird, cycle the window fully down and fully up a few times to help it relearn.
• Check for wind noise and water leaks after your next car wash/rain (vapor barrier seal matters).
• If you disconnected the battery, reset the clock and recheck power window operation.

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💰 DIY vs Shop Cost

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

DIY Cost: $90-$250 (parts only, per rear door)

You Save: $260-$450 by doing it yourself!

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