One problem related to engine cooling system has been reported for the 1998 Saturn SL1. The most recently reported issues are listed below.
My 1998 Saturn (1. 9)had oil in the coolant. It had a crack in the # 3 cam journal. The car only had 72188 miles. I had followed all their regular service. I knew that they had problems with the head in 1994 and 1995 models. But was told that problem was fixed. Cost was $1990.