PONTIAC TRANSPORT HARMONIC BALANCER REPLACE/REMOVE

Using Socket (not Impac) I Feel I May Break The Center Bolt On The Harmonic Balancer When I Put A Cheater Pipe On It. Is It A Left Loosen...

My Transport Just Recently Sounded Like It Had A Bad Knock Only At Idle But Would Disappear When Rpms Increased So When Pressure Was Taken...