One problem related to radiator has been reported for the 1997 Subaru Outback. The most recently reported issues are listed below.
'97 Subaru Outback wagon impeccably maintained 85,000 mi is overheating. Began as intermittent problem approx 5 months ago. Flushed radiator, repl cap, pressure tested radiator. Driving down hill on mountain road in morning cold, overheats after about 6 miles. Repl thermostat, water pump, timing belt. Subaru dealer repair mechanic says head gasket. Googled problem online before replacing thermostat. Blogs from Outback owners with same symptoms say head gasket. An incredible number of blogs describing the same problem and statements that Subaru has never taken responsibility for this flaw which has affected so many Outback owners. This is a crime.