In a message dated 4/24/00 5:22:03 PM Eastern Daylight Time, daleschaub@xxxx writes: << A vacuum line runs just in front of the engine and parallel to the fire wall. If this vacuum line gets disconnected, the blower will actually feel like it has reversed itself. This happened to me when I replaced the water pump. >> Are you referring to the thin, (like a coat hanger) line that runs down to the hot water switch? -Wayne