Follow these steps to fix your issue:
Shut off power and water to the refrigerator.
Shut off the circuit breaker on the refrigerator. The back of the refrigerator has a water line attached to it. The valve can be found on the wall behind the refrigerator or under the kitchen sink. If you want to keep the food fresh, move it to a cooler. Most refrigerated and frozen foods will not be affected by the lack of power for 60 minutes.
Remove the ice maker.
There is a flipper cover on the left wall. There is a plastic cover in front of the icemaker. Push up on the right side of the cover to release the plastic pin. If you have to pry the pin from the brackets, use a slot screwdriver. Remove the cover and set it aside. The flipper should be taped shut. The screw that's under the ice maker module is located in the rear right corner. Take the cover off and set the screw and cover aside. Push the tab to the left of the ice maker to release the ice maker and slide it off the rails. Pull the wire harness out of the plug by using a slot screwdriver. The freezercompartment has an ice maker.
Remove the air duct.
The air duct in the top of the freezer compartment needs to be supported as you remove the second screw to prevent it from falling. Take the air duct out of the freezer compartment. The locking tabs on the freezer side of the diffuser will be freed when you remove the air duct.
Remove the diffuser.
The control housing should not fall if you remove the 2 screw mountings that hold it in place. Slowly lower the control housing. Plug the wire harness using a slot screwdriver. You may not be able to pull the control assembly out of the refrigerator because the connecting rod is still connected. The wire harness needs to be disconnected. The freezer side of the diffuser has locking tabs. To keep the tabs from snapping back into place, push the diffuser toward the refrigerator compartment. Pull the control housing and the diffuser out of the refrigerator compartment. The control rod needs to be removed. The control rod might have to be released if you have torotate the diffuser 90 degrees. The diffuser needs to be removed.
Install the new diffuser.
The control rod has to be connected. Push the control housing into the opening of the refrigerator compartment and the locking tabs will snap into place. The control housing should be put into the wire harness. Line up the screw holes by positioning the control housing. Attach the mounting screws to the control housing of the refrigerator compartment. Don't overtighten the screws, but tighten them firmly.
Reinstall the air duct.
The freezer compartment has an air duct. Attach the screw holes to the mounting screws. Don't overtighten the mounting screws, tighten them firmly.
Reinstall the ice maker.
Plug the wire harness into the connection plug until the locking tab snaps into place, then hold the ice maker near the mounting rails. Attach the ice maker to the rails and then position the fill tube in the cup. Put the tube into the cup. The lockingtab needs to be put in place before the ice maker module can be moved. Attach the plastic wire harness cover with a screw. Don't overtighten the screws, but tighten them firmly. Attach the left side pin to the mounting clip by putting the front plastic cover in front of it. Attach the right side pin to the mounting clip and remove the tape that holds the flipper cover.
Restore water and electricity.
Plug in the refrigerator or turn on the house circuit breaker to restore power after the water supply shuts off.
Time required: 60 minutes.
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