Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2002 Saturn SC2 coolant leak › Reply To: 2002 Saturn SC2 coolant leak May 19, 2020 at 2:35 am #955315 Richard KirshyParticipant If your thinking excessive pressure caused the crack / leak I would think the radiator cap would blow before the radiator itself. I would look at the connection on the radiator and transmission line.