You need to remove the oil pan, and the engine flywheel, and you also need to remove the bolts and the nut holding the crankshaft rear oil seal housing to the engine. Then you need to remove the crankshaft rear oil seal housing and remove and discard the crankshaft rear oil seal housing gasket. After that, you need to clean all the sealing surfaces. Finally, you should inspect and replace the crankshaft rear oil seal housing for warping, cracks, wear, or damage.
By BobGM Specialist
29/10/2022