One problem related to brake disc caliper has been reported for the 2001 Saturn SL. The most recently reported issues are listed below.
The vehicle brake rotor warp several times which caused vibration while braking. The dealer replaced the rotors. When the vehicle was moved from a stop the vehicle jerked forward. The vehicle also acts as if it want to stall when sitting idle. The dealer was unable to duplicate either concern. The radio light was inoperative therefore the dealer replaced the radio.