Sealey dieselpetrol engine settinglocking kits sealey vse2394 this flywheel locking tool from sealey has been designed for when it is necessary to remove the crankshaft pulley when replacing the timing belt the pulley retaining bolt is fitted with a high torque loading and the flywheel must be securely locked during installationremoval jamming tools into the teeth of the flywheel will cause serious damage to both teeth and housing this locking tools securely locates in the teeth and fix