Section 0 - Engine Disassembly and Assembly - Group 00 Engine Disassembly (0-01) M11 Page 0-19 Remove the nine capscrews, oil filter head and gasket. Remove the turbocharger oil drain line from the cylinder block drain connection. Alternator Drive Pulley - Removal Remove the pulley retainer capscrew. Use standard puller, Part No. ST-647, and two capscrews, (5/16-18 x 2 1/2), to remove the pulley. Alternator Drive Oil Seal - Removal Remove the five capscrews, clamping ring, oil seal and gasket.