Kevin H Afton , MN April 01, 2017 Appliance: Electrolux Dishwasher EWDW6505GS0B Electrolux Dishwasher Ewdw6505gs0b: Error code e04 (drying damper failure). How to replace Vent Assembly. Replaced Vent Assembly (drying damper). Hardest part was pulling dishwasher out to get at part. Simply had to remove old part and install new part with a couple of screws and short connector cable. Dishwasher has worked fine since. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes