This procedure covers the removal and replacement of the front window motor and regulator assembly on a 2018-2024 Honda Accord with 1.5L turbo engine.

Warnings

Tools required

Parts

• Front window regulator and motor assembly × 1 — Use OEM specification for driver or passenger side
• Door panel clips (assorted) × 1 — Replace any broken clips
• Vapor barrier tape (if damaged) × 1 — Use Honda genuine or equivalent

Preparation

1. Park vehicle on level surface and engage parking brake
2. Disconnect negative battery terminal and wait 3 minutes to discharge airbag system
3. Roll window to approximately mid-travel position before disconnecting battery
4. Remove door trim panel screws from door pull handle area and armrest
5. Gather replacement parts and verify correct side (driver or passenger)

Procedure

1. 1

   Remove door panel
   Using trim removal tools, carefully pry out the power window and lock switch panel from the armrest. Disconnect the electrical connectors by pressing the release tabs. Remove the door pull handle screws and armrest mounting screws. Starting at the bottom rear corner, use trim tools to release the door panel retaining clips. Lift the panel up and off the door once all clips are released.
2. 2

   Peel back vapor barrier
   Carefully peel back the plastic vapor barrier from the door frame to access the window regulator mounting area. Only remove as much as necessary to access the regulator bolts. Take care not to tear the barrier or stretch the adhesive excessively. If the barrier is damaged, it must be resealed or replaced to prevent water intrusion.
3. 3

   Secure the window glass
   Manually raise the window glass to the full up position. Use masking tape to secure the glass to the door frame to prevent it from falling when disconnected from the regulator. Tape across the top of the glass to the door exterior. Ensure the glass is stable and will not drop during regulator removal.
4. 4

   Disconnect window motor electrical connector
   Locate the window motor electrical connector inside the door cavity. Press the release tab and disconnect the connector from the motor. Move the wiring harness aside to provide clearance for regulator removal.
5. 5

   Disconnect glass from regulator
   Locate the two bolts securing the window glass to the regulator lift channel. These are typically accessible through access holes in the door frame. Remove the bolts and carefully separate the glass from the regulator mechanism. Ensure the tape is holding the glass securely.
6. 6

   Remove regulator mounting bolts
   Locate and remove all window regulator mounting bolts. There are typically 6-8 bolts securing the regulator assembly to the door frame. Use an 8mm or 10mm socket with extensions to access bolts in tight areas. Keep track of bolt locations as some may be different lengths.
7. 7

   Remove regulator and motor assembly
   Carefully maneuver the regulator and motor assembly out through the large service opening in the door frame. You may need to collapse or rotate the regulator mechanism to fit it through the opening. Work slowly to avoid damaging wiring or other door components.
8. 8

   Install new regulator assembly
   Position the new regulator and motor assembly inside the door. Orient it correctly and maneuver it into position through the service opening. Align the mounting holes with the door frame. Start all mounting bolts by hand before tightening to ensure proper alignment.
9. 9

   Tighten regulator mounting bolts
   Tighten all regulator mounting bolts in a cross-pattern to ensure even seating of the assembly. Verify the regulator moves smoothly without binding before final tightening. Double-check that all mounting bolts are installed and secure.
10. 10

    Attach glass to regulator
    Remove the tape securing the window glass. Lower the glass until the regulator lift channel aligns with the mounting holes in the glass bracket. Install the two glass mounting bolts and tighten securely. Verify the glass sits level in the regulator channels.
11. 11

    Connect motor electrical connector
    Reconnect the window motor electrical connector. Ensure it clicks into place securely. Route the wiring properly to avoid interference with the regulator mechanism.
12. 12

    Reseal vapor barrier and reinstall door panel
    Press the vapor barrier back into place on the door frame, ensuring a complete seal around all edges. If adhesive is weak, apply new sealing tape. Position the door panel and align the top edge with the window opening. Press firmly around all edges to engage the retaining clips. Reinstall armrest and door pull handle mounting screws. Reconnect power window and lock switch connectors and snap the switch panel back into place.
13. 13

    Reconnect battery and initialize window
    Reconnect the negative battery terminal. Turn the ignition to ON position. Perform window auto-up/down initialization by fully lowering the window, then fully raising it and holding the switch in the up position for 2 seconds after the window stops. Repeat for auto-down function. This resets the window auto-reverse and one-touch features.
    Torque spec

    Battery Terminal Bolts6 Nm (4 lb-ft)

Reassembly

1. Ensure all door panel clips are fully seated and the panel is flush with the door
2. Verify vapor barrier is completely sealed to prevent water and wind noise intrusion
3. Test all door switches and controls for proper operation before completing the job

Verification

• Test window operation in both directions, verifying smooth movement without binding or noise
• Test one-touch auto-up and auto-down functions to confirm proper initialization
• Test auto-reverse safety feature by obstructing window during closure
• Verify no unusual sounds from inside the door during window operation
• Check that window seals properly at full up position with no gaps

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