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Google Pixel 3 XL Water Damage Repair

Water Damage Repair guide for the Google Pixel 3 XL

Expert
~59 min
18 steps

Before you begin

Tools

  • Heat gun or iOpener
  • Suction cup tool
  • Plastic opening picks
  • T3 Torx screwdriver
  • Spudger
  • ESD-safe tweezers
  • Soft-bristle antistatic brush
  • Compressed air canister

Parts / materials

  • 99% Isopropyl alcohol
  • Pre-cut rear panel adhesive
  • Microfiber cloth

Safety

  • Disconnect the battery immediately upon opening the device to prevent severe short circuits.
  • Wear safety glasses when working with compressed air and alcohol to avoid eye injury.
  • Do not heat the rear glass above 80°C (176°F) to avoid damaging the lithium-ion battery.

Overview

# Google Pixel 3 XL Water Damage Repair Repair Guide Action-specific water damage repair walkthrough for the Google Pixel 3 XL. About 59 minutes across 18 steps. This DIY guide walks through water damage repair on the Google Pixel 3 XL (Pixel series phone). Before you open the device, confirm the exact model number on the Google settings screen or rear housing so your replacement part matches the Pixel 3 XL specifically—not a similar Pixel sibling. Most DIY techs finish this Google Pixel 3 XL water damage repair in about 59 minutes when parts and tools are ready. Difficulty is rated expert for this model. Recommended tools for this Google Pixel 3 XL job: Heat gun or iOpener, Suction cup tool, Plastic opening picks, T3 Torx screwdriver, Spudger, ESD-safe tweezers, Soft-bristle antistatic brush, Compressed air canister. Parts and supplies: 99% Isopropyl alcohol, Pre-cut rear panel adhesive, Microfiber cloth. Power the Pixel 3 XL off completely, remove SIMs/SD cards if present, and work on a clean, well-lit surface with a magnetic mat for screws. If a step feels wrong for your Google Pixel 3 XL, stop and compare the connector layout to the photos in this guide. When you prefer a same-day pro repair in Seattle instead, LML Repair can handle water damage repair for this model with tested parts and a workmanship warranty.

Step-by-step

  1. 1

    Power off the device

    1 min

    Turn off the phone immediately to stop electric current from flowing through wet components. Do not attempt to charge the phone.

  2. 2

    Eject the SIM tray

    1 min

    Insert a SIM eject tool into the pinhole at the bottom edge to remove the SIM tray. Set the tray aside.

  3. 3

    Heat the rear panel

    3 min

    Apply heat evenly around the perimeter of the back glass for 2 minutes to soften the factory adhesive.

  4. 4

    Attach the suction cup

    1 min

    Press a suction cup onto the lower third of the rear glass and gently pull upward to create a small gap.

  5. 5

    Slice the rear adhesive

    4 min

    Insert an opening pick into the gap and slide it carefully along the sides to cut through the perimeter tape.

  6. 6

    Open the rear glass

    2 min

    Gently swing the glass panel open toward the right side. Do not pull it away completely yet as the fingerprint flex cable is still connected.

  7. 7

    Unscrew the fingerprint bracket

    2 min

    Remove the single T3 Torx screw holding the metal shield over the fingerprint sensor connector.

  8. 8

    Disconnect the fingerprint sensor

    2 min

    Pry the fingerprint sensor flex cable straight up from its motherboard socket using a plastic spudger. Set the rear glass aside.

  9. 9

    Unscrew the motherboard bracket

    3 min

    Remove the T3 Torx screws securing the upper motherboard shield and lift the bracket out.

  10. 10

    Disconnect the battery cable

    2 min

    Use a spudger to disconnect the battery flex cable from the motherboard to fully cut power.

  11. 11

    Remove the main logic board

    5 min

    Disconnect all remaining camera and ribbon connectors, unscrew the retaining screws, and carefully lift out the motherboard.

  12. 12

    Remove the daughterboard assembly

    4 min

    Unscrew and remove the bottom daughterboard containing the USB-C charging port and speaker assembly.

  13. 13

    Clean components with isopropyl alcohol

    10 min

    Submerge a soft brush in 99% isopropyl alcohol and gently scrub away all liquid residue and corrosion from both circuit boards.

  14. 14

    Dry components with compressed air

    3 min

    Use short bursts of compressed air to blow out remaining moisture and alcohol from underneath chips and connector housings.

  15. 15

    Reinstall the main logic board

    5 min

    Place the cleaned motherboard back into the frame and reattach all display, sensor, and antenna flex cables.

  16. 16

    Reinstall the daughterboard assembly

    4 min

    Position the charging port daughterboard in the bottom section of the frame and secure it with its screws.

  17. 17

    Reconnect the battery cable

    2 min

    Snap the battery connector firmly back onto its motherboard socket.

  18. 18

    Reseal and attach the rear glass

    5 min

    Connect the fingerprint flex cable, install its shield, apply new adhesive strips to the frame, and press the rear glass into place.

After your Google Pixel 3 XL water damage repair

Power the Pixel 3 XL back on and test the water damage repair function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Google Pixel 3 XL job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.

Keep learning

Explore more Google Pixel 3 XL repair context in the encyclopedia, or open related DIY guides.

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