You need to remove the flywheel, and the 2 bolts securing the oil pan to the crankshaft rear oil seal housing. Then you need to remove the crankshaft rear oil seal housing bolts, and you need to install 2 bolts into the threaded holes to act as jack screws and tighten evenly to release the crankshaft rear oil seal housing from the engine block and oil pan. After that, you need to remove the crankshaft rear oil seal housing and remove the 2 bolts from the jack screw holes, and you also need to remove the crankshaft rear oil seal from the crankshaft rear oil seal housing and discard the seal. Finally, you need to clean and inspect the crankshaft rear oil seal housing, and the engine block and oil pan sealing surface.
By BobGM Specialist
29/10/2022