Using special tool VM. 9990, install rear crankshaft oil seal into the rear main seal carrier (1).Using special tool VM 9990 install the rear main seal carrier onto the engine block.Install the upper oil pan.(Refer to 9 - ENGINE/LUBRICATION/OIL PAN - REMOVAL)Install the lower oil pan.(Refer to 9 - ENGINE/LUBRICATION/OIL PAN - REMOVAL)Install engine or transmission in vehicle.