One problem related to axle assembly has been reported for the 2000 Saturn SL1. The most recently reported issues are listed below.
Vehicle stopped moving while driving. Dealer notified and informed consumer that train axle had to be replaced. Vehicle would pop and jerk into gear at 40 mph, dealer could not duplicate problem, dealer found valve body severely contaminated, torque converter metal contaminated, dealer replaced valve body and torque converter housing, replaced complete transaxle. Vibration experienced while driving over 65 mph due to all four tires being out of balance. Consumer states there is a noise when braking.