Yes, I am able to vent a bathroom exhaust fan through the gable vent following the steps:

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This is a better option than the shower and the toilet. However, you can alter this in accordance with your own personal preferences.

Visit the attic to take off all insulation surrounding the hole. The vent fan should be placed exactly between the joints in the hole that is used as a reference.

Consider your design by examining any obstructions or pipes that may be close to the hole you are using as a reference.

Mark an Outline:

Go back to the bathroom to take the dimensions inside the port’s inner area. Mark the approximate location where you’ll have to drill the ceiling.

Making use of as a reference hole measurements of the attic to the ceiling of the bathroom and draw a rectangle outline of the intake port. It is recommended to use an outline or framing square for this task.

Cut the intake porthole:

Make sure you are wearing a protective suit for this process. Be sure to wear gloves, goggles, and a respirator in place as well as the appropriate sawing equipment.

Cut across the ceiling following the lines of reference. The cut-out in the rectangular shape will be able to stop much of the debris from falling to the ground.

Make sure the fan is properly positioned:

Return to the attic. Attach a duct elbow 90 degrees to the vent outlet port of the fan housing. Make sure that the elbow is facing towards the upward direction.

Attach it by using foil-backed duct tape.

Fan and Joist Attachment:

Expand the brackets until they touch the joists and secure each by only a single 1.5-inch screw for drywall. Attach one side of your flexible pipe to the elbow that you’ve connected with the housing. The flexible duct is part of the wall cap. The electrical cables should be fed through the connectors, then tighten cables using an eagle.

Cut a Hole Through the Side Wall:

Pick a location on the wall that is within six feet of the fan. Make reference measurements and make use of them to mark an opening on the siding. Make use of a saw that is 4-inches long to cut the siding.

Take care when stretching it to avoid any injury to the wall. Attach it using foil duct tape and your wall cap’s connector.

Install the Wall Cap:

Make use of foil duct tape to connect your connector to wall caps. Fit cut-outs from the gasket of foam rubber in any spaces between the wall cap and the siding cap.

Install them using an adhesive made of silicone. Then make use of 1.5-inch stainless steel screws to anchor the wall cap to the siding securely.

Wiring and Connections:

Inside the bathroom, remove the blower motor and the built-in receptacles. Connect similar colored wires with the electrical cable that was fed into the housing at step 5. Take care to wrap and secure the copper wire that is bare beneath the grounding screw in green in the housing. Attach the electrical Receptacle, then push the motor back into position.

Fit the Grille:

Place the grille on the ceiling. Slowly slide the wiring for the mounting into the appropriate slots inside the housing of your fan. Make sure to press them to the roof until it is into the housing. Then turn on the fan to allow the test run.