One problem related to defogger has been reported for the 1998 Subaru Outback. The most recently reported issues are listed below.
We are unable to ride in vehicle with heater on as it still has a very bad musty mildew smell inside , after 4 attempts to solve problem. Edmond chev sister store shults Subaru said for us to spray lysol into the air vents onca a month. That makes it worse and we should not have to do this as we have talked to other Subaru owners that have no problem like this. Please help us ,we love the car ,but can not ride any distance in it without getting very bad sinus headaches.