December 1, 2013

How to replace a range hood fan motor

By Lyle Weischwill
How to replace a range hood fan motor

This DIY repair guide gives instructions for how to replace the fan motor in a range hood. The fan motor spins the fan blade to draw air through the range hood vent. If the fan motor wears out, the motor won't turn the blade to circulate air. Replace a worn or broken fan motor with the manufacturer-approved replacement part.

Follow these steps to replace the fan motor in Kenmore and Broan range hoods.

Quick links
Tools required
Phillips screwdriver
Wire cutter
Work gloves
Towel
Repair difficulty
Time required
30 minutes or less
Repair difficulty
Time required
30 minutes or less

Instructions

  1. 01.

    Disconnect electrical power

    Shut off the house circuit breaker to disconnect electrical power to the range hood.

    Tip: Lay a towel down on the counter or work table where you intend to place the range hood to complete this repair.
  2. 02.

    Remove the filters and the bottom panel

    Pull the latch tabs to release the air filters and pull both filters out of the range hood.

    Remove the screws that secure the bottom panel to the range hood frame and pull the bottom panel out of the range hood.

    Warning: Support the bottom panel with your hand when removing the final screw to prevent the bottom panel from falling on the cooktop.
    Remove the filters.

    Remove the filters.

    Remove the bottom panel screws.

    Remove the bottom panel screws.

    Remove the bottom panel.

    Remove the bottom panel.

  3. 03.

    Remove the side panels

    Unplug the wire harness connectors for the light sockets on both side panels.

    Pull the front of the side panels inward to release the locking tabs and then remove the side panels.

    Disconnect the light wires.

    Disconnect the light wires.

    Pull the side panel inward to release it.

    Pull the side panel inward to release it.

    Remove the bottom side panel.

    Remove the bottom side panel.

  4. 04.

    Pull the range hood down from the cabinet

    Disconnect the electrical power supply wiring.

    Loosen the screws on the power supply wire clamp so that the power supply wires can slide out of the clamp when the range hood is pulled out of the cabinet.

    Remove the middle mounting screw.

    Loosen the mounting screws on the 4 corners by 1/8-inch.

    Pull the range hood forward about ¼-inch to release the corner screw through the keyhole slots.

    Carefully pull the range hood down and set it upside down on a padded work surface.

    Warning: The range hood is heavy. Two persons may be needed to safely pull the range hood down and set it on a padded work surface.
  5. 05.

    Remove the fan blade

    Remove the spring clamp that secures the fan blade to the motor.

    Pull the fan blade off of the motor.

    Pry off the blade spring clamp.

    Pry off the blade spring clamp.

    Remove the spring clamp.

    Remove the spring clamp.

    Pull off the fan blade.

    Pull off the fan blade.

  6. 06.

    Remove the fan motor

    Disconnect the green ground wire from the screw on the range hood frame and then cut the wires connected to the motor.

    Remove the 3 screws from the motor mounting plate to release it from the range hood. 

    Remove the fan motor from the mounting plate.

    Disconnect the green ground wire.

    Disconnect the green ground wire.

    Remove the 3 motor mounting plate screws.

    Remove the 3 motor mounting plate screws.

    Remove the motor from the mounting plate.

    Remove the motor from the mounting plate.

  7. 07.

    Install the new fan motor

    Attach the new fan motor to the mounting plate.

    Place the new fan motor in the range hood and route the fan motor wires through the wire cover to the side of the range hood frame.

    Connect the green ground wire to the ground wire screw.

    Connect the fan motor wires to the matching wires inside the range hood, using wire nuts.

    Reinstall the washers and mounting screws that hold the fan motor in place.

    Attach the new fan motor to the mounting plate.

    Attach the new fan motor to the mounting plate.

    Attach the green ground wire.

    Attach the green ground wire.

    Attach the mounting plate to the range hood.

    Attach the mounting plate to the range hood.

  8. 08.

    Reinstall the fan blade

    Push the fan blade onto the motor and secure it with the spring clamps.

    Reinstall the fan blade spring clamp.

    Reinstall the fan blade spring clamp.

  9. 09.

    Reinstall the range hood

    Position the range hood near its location in the cabinet.

    Push the power supply wires through the power supply wire clamp.

    Slide the range hood into the mounting screws under the cabinet. Tighten all of the corner mounting screws. Insert the middle mounting screw and tighten it.

    Tighten the screws in the power supply wire clamp.

  10. 10.

    Reassemble the range hood

    Reinstall the side panels. Push the back end of the side panels into the frame slots and slide the front end of the side panels outward to snap them into the front brackets.

    Plug the wire harness connectors for the light sockets back in.

    Slide the bottom panel into place. Secure the bottom panel with the mounting screws.

    Reinstall the air filters.

  11. 11.

    Restore the electrical power

    Reset the house circuit breaker to restore electrical power to the range hood.

Warning: Undertaking repairs to appliances can be hazardous. Use the proper tools and safety equipment noted in the guide and follow all instructions. Do not proceed until you are confident that you understand all of the steps and are capable of completing the repair. Some repairs should only be performed by a qualified technician.

Symptoms common to all range hoods

Choose a symptom to see related range hood repairs.

Main causes: loose mounting screws, bad fan motor, damaged fan blade, worn fan motor bearings
Main causes: clogged air filters, air duct problems, fan motor failure, broken fan blade
Main causes: sentry feature trips due to high cooktop temperature, bad temperature sensor, electronic control board failure
Main causes: bad light bulb, broken light switch, bad electronic control, user interface control failure, bad light socket, wiring failure
Main causes: bad fan switch, electronic control board failure, faulty user interface control, wiring failure
Main causes: lack of electrical power, bad electronic control board, faulty user interface, fan and light switch failure, wiring problems
Main causes: electronic control board failure, bad user interface control, light and fan switch failures, wiring failure

Repair guides common to all range hoods

These step-by-step repair guides will help you safely fix what’s broken on your range hood.

December 1, 2013
By Lyle Weischwill
How to replace a range hood fan switch

The fan switch activates the fan motor in the range hood. If the fan switch is defective, replace it using the detailed steps in this repair guide.

Repair difficulty
Time required
 30 minutes or less
How to replace a range hood electronic control board

The electronic control board activates the fan and lights in the range hood. If the electronic control board is defective, replace it using the detailed steps in this repair guide.

Repair difficulty
Time required
 45 minutes or less
January 20, 2013
By Lyle Weischwill
How to replace a range hood light socket

When you replace a light bulb and it still won’t work, the socket is likely defective. Use the detailed steps in this repair guide that show you how to replace it.

Repair difficulty
Time required
 15 minutes or less

Articles and videos common to all range hoods

Use the advice and tips in these articles and videos to get the most out of your range hood.

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