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LG WM3050CW Drain Pump Motor Replacement

Introduction

Use this guide to replace the drain pump motor in your LG WM3050CW Washing Machine.

The drain pump motor is part of the pump assembly. It drains the tub and expels the wastewater out of the washer. If your washer isn't draining, you may need to replace this motor.

The metal ring holding the rubber boot can be difficult to reinstall. You can buy this tool to make the reinstallation easier, or ask additional people to help.

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  1. LG WM3050CW Drain Pump Motor Replacement, Safety Precautions: étape 1, image 1 de 2 LG WM3050CW Drain Pump Motor Replacement, Safety Precautions: étape 1, image 2 de 2

    • Before you begin your repair, perform the following:

    • Turn off the main water supply

    • Unplug your washer

    • Disconnect all water connections at the rear of your washer

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  2. LG WM3050CW Drain Pump Motor Replacement, Unfasten the top panel: étape 2, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Unfasten the top panel: étape 2, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Unfasten the top panel: étape 2, image 3 de 3

    • Use a Phillips driver to remove the two bottom 16.5 mm-long screws securing the top panel brackets.

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  3. LG WM3050CW Drain Pump Motor Replacement, Remove the top panel: étape 3, image 1 de 2 LG WM3050CW Drain Pump Motor Replacement, Remove the top panel: étape 3, image 2 de 2

    • Slide the top panel 1-2 inches towards the rear of the device to disconnect its clips.

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  4. LG WM3050CW Drain Pump Motor Replacement: étape 4, image 1 de 2 LG WM3050CW Drain Pump Motor Replacement: étape 4, image 2 de 2

    • Tilt the top panel upward to completely disconnect it from the chassis.

    • Remove the top panel.

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  5. LG WM3050CW Drain Pump Motor Replacement, Remove the detergent drawer: étape 5, image 1 de 2 LG WM3050CW Drain Pump Motor Replacement, Remove the detergent drawer: étape 5, image 2 de 2

    • Pull the detergent drawer away from the chassis as far as it will go.

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  6. LG WM3050CW Drain Pump Motor Replacement: étape 6, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement: étape 6, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement: étape 6, image 3 de 3

    • Press down on the "Push" button to disengage the clips securing the detergent drawer.

    • Pull the drawer out of its slot on the chassis and remove it.

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  7. LG WM3050CW Drain Pump Motor Replacement, Disconnect the control panel: étape 7, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Disconnect the control panel: étape 7, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Disconnect the control panel: étape 7, image 3 de 3

    • Disconnect the three harness connectors for the control panel.

    • Always grip cables by their connectors and not the wires themselves.

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  8. LG WM3050CW Drain Pump Motor Replacement, Unfasten the control panel: étape 8, image 1 de 2 LG WM3050CW Drain Pump Motor Replacement, Unfasten the control panel: étape 8, image 2 de 2

    • Use a Phillips driver to remove the 16.4 mm-long screw securing the control panel.

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  9. LG WM3050CW Drain Pump Motor Replacement, Unfasten the detergent dispenser: étape 9, image 1 de 1

    • Use a Phillips driver to remove the two 26.3 mm‑long screws securing the detergent dispenser.

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  10. LG WM3050CW Drain Pump Motor Replacement, Unclip the control panel: étape 10, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Unclip the control panel: étape 10, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Unclip the control panel: étape 10, image 3 de 3

    • Insert a flathead screwdriver between the chassis and the top left corner of the control panel.

    • Twist the screwdriver to release the clips securing the control panel.

    • Repeat this procedure for the remaining clips along the control panel.

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  11. LG WM3050CW Drain Pump Motor Replacement, Remove the control panel: étape 11, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the control panel: étape 11, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the control panel: étape 11, image 3 de 3

    • Lift the control panel upward to completely separate it from the chassis.

    • Pull the control panel away from the chassis, making sure to thread the cables through its slot in the chassis.

    • Remove the control panel.

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  12. LG WM3050CW Drain Pump Motor Replacement, Open the door: étape 12, image 1 de 2 LG WM3050CW Drain Pump Motor Replacement, Open the door: étape 12, image 2 de 2

    • Open the front door completely.

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  13. LG WM3050CW Drain Pump Motor Replacement, Remove the boot ring: étape 13, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the boot ring: étape 13, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the boot ring: étape 13, image 3 de 3

    • Use needle nose pliers to grip the spring end of the metal ring at the bottom of the rubber boot.

    • Pull the ring away from the chassis to separate it from the boot.

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  14. LG WM3050CW Drain Pump Motor Replacement: étape 14, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement: étape 14, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement: étape 14, image 3 de 3

    • Use your hand to completely pull the ring off the boot.

    • During reassembly, perform the following:

    • Insert one end of the ring into its groove along the boot's perimeter.

    • Use pliers to slowly stretch the ring around the boot's perimeter until it's completely nested in its groove.

    • This procedure will take significant force.

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  16. LG WM3050CW Drain Pump Motor Replacement, Disconnect the boot: étape 15, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Disconnect the boot: étape 15, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Disconnect the boot: étape 15, image 3 de 3

    • Use your fingers to pull the boot off its lip on the front panel.

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  17. LG WM3050CW Drain Pump Motor Replacement: étape 16, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement: étape 16, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement: étape 16, image 3 de 3

    • Work your fingers around the boot until its completely separated from the panel.

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  18. LG WM3050CW Drain Pump Motor Replacement, Remove the filter panel: étape 17, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the filter panel: étape 17, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the filter panel: étape 17, image 3 de 3

    • Open the filter panel at the bottom left of the front panel.

    • Twist the filter panel upward to unclip it from the front panel.

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  19. LG WM3050CW Drain Pump Motor Replacement, Unfasten the filter trim: étape 18, image 1 de 1

    • Use a Phillips driver to remove the two 12.8 mm‑long screws securing the filter trim.

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  20. LG WM3050CW Drain Pump Motor Replacement, Remove the filter trim: étape 19, image 1 de 2 LG WM3050CW Drain Pump Motor Replacement, Remove the filter trim: étape 19, image 2 de 2

    • Pull the filter trim straight off the front panel to remove it.

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  21. LG WM3050CW Drain Pump Motor Replacement, Unfasten the lower front panel: étape 20, image 1 de 1

    • Use a Phillips driver to remove the 12.8 mm-long screw securing the lower front panel.

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  22. LG WM3050CW Drain Pump Motor Replacement, Unfasten the door latch: étape 21, image 1 de 1

    • Use a Phillips driver to remove the two 16 mm‑long screws securing the door latch.

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  23. LG WM3050CW Drain Pump Motor Replacement, Remove the door latch: étape 22, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the door latch: étape 22, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the door latch: étape 22, image 3 de 3

    • Pull the door latch through its slot in the chassis and let it hang on its wire.

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  24. LG WM3050CW Drain Pump Motor Replacement, Unfasten the front panel: étape 23, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Unfasten the front panel: étape 23, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Unfasten the front panel: étape 23, image 3 de 3

    • Hold the front panel against the chassis while performing this step to prevent it from falling.

    • Use a Phillips driver, or a 7 mm nut driver, to remove the six 15 mm‑long screws securing the front panel.

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  25. LG WM3050CW Drain Pump Motor Replacement, Remove the front panel: étape 24, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the front panel: étape 24, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the front panel: étape 24, image 3 de 3

    • Lift the front panel upward to separate it from its clips on the bottom of the chassis.

    • Pull the front panel away from the chassis to completely separate the front panel.

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  26. LG WM3050CW Drain Pump Motor Replacement: étape 25, image 1 de 1

    • Remove the front panel.

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  27. LG WM3050CW Drain Pump Motor Replacement, Remove the pump filter: étape 26, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the pump filter: étape 26, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the pump filter: étape 26, image 3 de 3

    • Twist the pump filter handle counterclockwise to separate it from the pump assembly.

    • Pull the filter straight out of the pump block assembly to remove it.

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  28. LG WM3050CW Drain Pump Motor Replacement, Reposition the drain hose: étape 27, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Reposition the drain hose: étape 27, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Reposition the drain hose: étape 27, image 3 de 3

    • Push the drain hose through its hole in the chassis until it's completely inside the device.

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  29. LG WM3050CW Drain Pump Motor Replacement, Unwrap the pump assembly cables: étape 28, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Unwrap the pump assembly cables: étape 28, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Unwrap the pump assembly cables: étape 28, image 3 de 3

    • Use diagonal cutters, or scissors, to remove the cable ties securing the plastic wrap to the pump assembly cables.

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  30. LG WM3050CW Drain Pump Motor Replacement: étape 29, image 1 de 2 LG WM3050CW Drain Pump Motor Replacement: étape 29, image 2 de 2

    • Repeat the previous step for any cable ties bundling the pump assembly cables.

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  31. LG WM3050CW Drain Pump Motor Replacement: étape 30, image 1 de 2 LG WM3050CW Drain Pump Motor Replacement: étape 30, image 2 de 2

    • Fold the plastic wrap away from the cables, enough to expose the connectors.

    • During reassembly, replace the cable ties to ensure a water-tight fit for the plastic wrap.

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  32. LG WM3050CW Drain Pump Motor Replacement, Disconnect the pump cable: étape 31, image 1 de 2 LG WM3050CW Drain Pump Motor Replacement, Disconnect the pump cable: étape 31, image 2 de 2

    • Disconnect the connector attached to the pump cable.

    • Always grip cables by their connectors and not the wires themselves.

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  33. LG WM3050CW Drain Pump Motor Replacement: étape 32, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement: étape 32, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement: étape 32, image 3 de 3

    • Use slip joint pliers to pinch the pump discharge hose clamp and slide it up the hose away from the pump assembly.

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  34. LG WM3050CW Drain Pump Motor Replacement: étape 33, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement: étape 33, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement: étape 33, image 3 de 3

    • Use slip joint pliers to rotate the pump discharge hose back and forth around its connection and loosen it.

    • Pull the pump discharge hose straight off its connection on the assembly.

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  35. LG WM3050CW Drain Pump Motor Replacement, Disconnect the tub to pump hose: étape 34, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Disconnect the tub to pump hose: étape 34, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Disconnect the tub to pump hose: étape 34, image 3 de 3

    • Repeat the last two steps for the tub-to-pump hose.

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  36. LG WM3050CW Drain Pump Motor Replacement, Unfasten the pump assembly: étape 35, image 1 de 2 LG WM3050CW Drain Pump Motor Replacement, Unfasten the pump assembly: étape 35, image 2 de 2

    • Use a 3/8 inch socket wrench to remove the three 46.1 mm-long screws securing the pump assembly.

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  37. LG WM3050CW Drain Pump Motor Replacement, Remove the pump assembly: étape 36, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the pump assembly: étape 36, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the pump assembly: étape 36, image 3 de 3

    • Lift the pump assembly out of its location in the frame to remove it.

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  38. LG WM3050CW Drain Pump Motor Replacement, Unfasten the pump body: étape 37, image 1 de 2 LG WM3050CW Drain Pump Motor Replacement, Unfasten the pump body: étape 37, image 2 de 2

    • Use a Phillips driver to remove the three 14.4 mm‑long screws securing the pump body.

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  39. LG WM3050CW Drain Pump Motor Replacement, Remove the pump body: étape 38, image 1 de 2 LG WM3050CW Drain Pump Motor Replacement, Remove the pump body: étape 38, image 2 de 2

    • Pull the pump body straight off the pump to remove it.

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  40. LG WM3050CW Drain Pump Motor Replacement, Unfasten the pump motor: étape 39, image 1 de 2 LG WM3050CW Drain Pump Motor Replacement, Unfasten the pump motor: étape 39, image 2 de 2

    • To avoid confusion, note the locations of the motor screws.

    • Use a Phillips driver to remove the three 21.6 mm‑long screws securing the pump motor.

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  41. LG WM3050CW Drain Pump Motor Replacement, Remove the pump motor: étape 40, image 1 de 2 LG WM3050CW Drain Pump Motor Replacement, Remove the pump motor: étape 40, image 2 de 2

    • Pull the pump motor straight off the pump to remove it.

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  42. LG WM3050CW Drain Pump Motor Replacement, Disconnect the pump motor: étape 41, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Disconnect the pump motor: étape 41, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Disconnect the pump motor: étape 41, image 3 de 3

    • To prevent confusion, label each spade connector with its corresponding cable color.

    • Disconnect the two spade connectors attached to the pump motor.

    • Always grip cables by their connectors and not the wires themselves.

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  43. LG WM3050CW Drain Pump Motor Replacement, Remove the pump housing: étape 42, image 1 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the pump housing: étape 42, image 2 de 3 LG WM3050CW Drain Pump Motor Replacement, Remove the pump housing: étape 42, image 3 de 3

    • Pull the plastic pump housing off of the motor and remove it.

    • Set this housing aside, as you will need to reinstall it on the new pump motor.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Ask our Answers community for help.

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