Necessary preliminary tasks:
Remove stiffening plate (all N73/S63 and F12 N63)
Remove EXHAUST SYSTEM (only N63/N73/S63)
Remove CATALYTIC CONVERTERS CYLINDERS 5-8 (only N63/N73/S63)
Remove heat shield on bulkhead (only N63/N73/S63)
Release UNIVERSAL JOINT WITH CORRUGATED TUBING on "bottom secti