Service Intervals
WARNING: This page is about a different car, the 2003 Subaru Impreza and 2002 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
Check fluid level in transaxle and differential every month. Under normal operating conditions, change transaxle and differential fluid every 30,000 miles. If vehicle is operated under severe operating conditions, change transaxle and differential fluid every 15,000 miles.