Crankcase Breather - Removal Engine Disassembly (00-01) N14 Page 0-12 Crankcase Breather - Removal Loosen the hose clamp at the breather vent tube. Remove the tube support bracket capscrew and the bracket. Remove the tube and the hose from the engine. Turbocharger - Removal Remove the oil supply and the oil drain tubes from the turbocharger. Remove the four turbocharger mounting nuts. Remove the turbocharger and discard the gasket. NOTE: If the turbocharger mounting nuts do not loosen freely, split the nuts to avoid breaking a mounting stud. Loosen the clamp on the discharge elbow. Remove the elbow and discard the o-ring.