One problem related to engine and engine cooling has been reported for the 1999 Subaru Outback. The most recently reported issues are listed below.
My 1999 Subaru Outback overheated and problem attributed to cracked head gasket. Dealer states that 99-01 are covered as warranty despite mileage if has a phase 2 engine. Mine is phase 1. Trying to determine amount of similar problems.