Unplug the dryer
Turn off the gas supply if it is a gas dryer
Pull the dryer away from the wall
Disconnect the old vent hose from the dryer and wall connection
Remove any clamps, tape, or fasteners
Inspect the vent opening and surrounding area
Clean lint from the vent pipe and dryer exhaust outlet
Measure the vent length and diameter
Purchase a replacement vent hose or duct that matches the size
Attach the new vent hose to the dryer exhaust outlet
Secure the connection with a clamp or foil tape
Attach the other end of the vent hose to the wall vent
Secure that connection with a clamp or foil tape
Make sure the vent is not kinked, crushed, or overly stretched
Push the dryer back into place carefully
Restore power and gas supply if applicable
Run the dryer and check for proper airflow and secure connections