The required tools are the EN 46330
Timing Chain Tensioner Retaining Pin, the J 8433 Puller Bar, the J 41478 Crankshaft Front Oil Seal Installer, the J 41558 Crankshaft Sprocket Remover, the J 41665 Crankshaft Balancer and Sprocket Installer, the J 41816-2 Crankshaft End Protector, the J 42386-A Flywheel Holding Tool and the J 45059 Angle Meter.