🔧 Accord - Rear Window Regulator Replacement

The rear window regulator is the mechanism that moves the rear window glass up and down. On your Accord, replacement requires removing the rear door panel, securing the glass, then swapping the regulator (often as a regulator-and-motor assembly).

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

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⚠️ Safety & Precautions

• ⚠️ Keep fingers clear of the window tracks and scissors/cable mechanism; it can pinch hard.
• ⚠️ Support the window glass at all times once it’s unclamped; falling glass can shatter and cut you.
• ⚠️ Turn ignition OFF and disconnect the battery before unplugging door wiring; avoid accidental window movement.
• ⚠️ Do not tear the plastic vapor barrier; it prevents water leaks into the cabin.

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🔧 Required Tools

You'll need the following tools for this repair:

• 10mm socket
• 1/4" drive ratchet
• 6" extension (1/4" drive)
• Phillips #2 screwdriver
• Plastic trim removal tool set
• Small pick tool
• Torque wrench (inch-pound or small Nm capable)
• Painters tape (1" or wider)
• Work gloves
• Safety glasses
• Magnetic parts tray

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Rear window regulator (Left/Driver rear or Right/Passenger rear) - Qty: 1
• Rear window regulator motor (if not included with regulator) - Qty: 1
• Rear door panel clips - Qty: 1 set
• Butyl tape (vapor barrier adhesive) - Qty: 1

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📋 Before You Begin

• Park on level ground, shift to Park, and switch the ignition OFF.
• Lower the rear window until the glass clamp bolts are accessible through the door’s service holes (if the window still moves).
• Disconnect the negative battery cable using a 10mm socket and wait 2 minutes before unplugging door connectors.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the rear door switch trim and door handle trim

• Use a plastic trim removal tool set to gently pry up the window switch panel.
• Unplug the switch connector(s) by releasing the lock tab with a small pick tool.
• Remove any small trim covers around the inner door handle using the plastic trim removal tool set.

Step 2: Remove rear door panel screws

• Remove the screw(s) in the armrest and behind/near the inner handle using a Phillips #2 screwdriver.
• Place screws in a magnetic parts tray.

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

• Slide a plastic trim removal tool set under the bottom/side edge of the panel and pop the clips out one at a time.
• Lift the door panel straight upward to unhook it from the window ledge.
• Unplug any remaining connectors using the small pick tool if needed.
• Tip: Pull near each clip, not the middle.

Step 4: Peel back the vapor barrier

• Carefully peel the plastic vapor barrier back using your hands and a plastic trim removal tool set.
• If the adhesive is weak or messy, plan to reseal it later with butyl tape.

Step 5: Secure the window glass in the UP position

• If the glass is still attached to the regulator, raise it by hand to the fully up position.
• Use painters tape (1" or wider) across the top of the door frame to hold the glass (use multiple strips).
• Wear work gloves and safety glasses.

Step 6: Unbolt the glass from the regulator (glass clamps)

• Through the access holes, remove the glass clamp bolts using a 10mm socket, ratchet, and extension.
• Once unclamped, make sure the glass stays taped securely at the top.
• Torque to Honda spec (needs confirmation for your exact fastener set).

Step 7: Unplug and remove the regulator/motor assembly

• Unplug the window motor connector using a small pick tool to release the lock.
• Remove the regulator mounting bolts using a 10mm socket, ratchet, and extension.
• Carefully maneuver the regulator out through the large service opening.
• Torque to Honda spec (needs confirmation for your exact fastener set).

Step 8: Transfer the motor (only if your new regulator doesn’t include it)

• Remove the motor screws/bolts using the appropriate driver (commonly Phillips #2 screwdriver or 10mm socket, depending on design).
• Install the motor onto the new regulator and tighten evenly using a torque wrench.
• Torque to Honda spec (needs confirmation for your exact fastener set).

Step 9: Install the new regulator and reconnect

• Position the new regulator in the door and hand-start all bolts using a 10mm socket and ratchet.
• Tighten the regulator bolts using a torque wrench.
• Reconnect the motor electrical connector.

Step 10: Clamp the glass back to the regulator

• Lower the regulator carriage to align with the glass clamps (temporarily reconnect the switch if needed).
• Remove tape enough to settle the glass into the clamps, then reinstall clamp bolts using a 10mm socket.
• Tighten using a torque wrench.

Step 11: Function test before reassembly

• Reconnect the negative battery cable using a 10mm socket.
• Turn ignition ON and run the window fully down and fully up several times using the switch.
• Listen for clicking/grinding and verify the glass stays straight in the run channels.
• Turn ignition OFF and disconnect the battery again before reinstalling the vapor barrier and panel.

Step 12: Reinstall vapor barrier and door panel

• Press the vapor barrier back into place; use butyl tape where it won’t stick.
• Reconnect door wiring connectors.
• Hang the door panel on the top ledge and press the clips in by hand around the perimeter.
• Reinstall screws using a Phillips #2 screwdriver, then reinstall trim pieces.

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✅ After Repair

• Reconnect the negative battery cable using a 10mm socket.
• Verify the rear window goes up/down smoothly and seats fully at the top.
• Check door lock, speaker, and switch operation.
• Spray water on the outside of the window and confirm no water leaks inside the door panel area.

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💰 DIY vs Shop Cost

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

DIY Cost: $90-$250 (parts only, one 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 1.5-2.5 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.

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Quick questions so I can make this perfectly accurate:

• 🧩 Which rear door are you replacing: left (driver rear) or right (passenger rear)?
• 🧩 Are you replacing the regulator only, or the regulator + motor assembly?