when i put it in drive you can feel the torque converter kiuck in but car will not move or roll when in nutural

Problem Description The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid. (120 people reported this problem) Buick Century Vehicles With This Problem 11 model years affected: 1991, 1993, 1994, 1996, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Average mileage: 118,262 (25,926–220,000) read more about this to the right of this page under problems,3 pages reported..

Release parking brake!