GM-33008-A along with GM-2619-01 slide hammer to dislodge the internal retaining ring allowing the removal of the drive shaft assembly. Use of GM-33008-A prevents possible damage to the transaxle case which may occur if an attempt is made to pry against. NOTICE: GM-33008 initial version will not work on 4T80E. GM-33008-A was not sent essential for BOP.