At the time of publication, the rear Crankshaft Seal is supplied as an assembly consisting of the oil seal and housing. The manufacturer recommends using special studs EN 46109, seal alignment tool EN 47839, and handle J 42183 to ensure correct alignment of the seal, which are available through SPX Tools. Begin by disconnecting the cable from the negative battery terminal. Next, remove the driveplate and the oil pan. After that, remove the retaining bolts and discard the seal housing from the engine, using a knife if necessary to cut the sealant away from the joint between the rear Crankshaft Seal housing and the engine block, taking care not to scratch the machined faces of the cylinder block, rear Crankshaft Seal housing, or oil pan when scraping old gasket material. Thoroughly clean the mounting surfaces of the oil pan, rear Crankshaft Seal housing, and engine block of old gasket material and sealer, wiping the gasket surfaces with a rag soaked in brake system cleaner. Install the two dowels into the oil seal housing bolt holes, then apply a 1/8-inch wide bead of RTV sealant around the sealing area of the oil seal housing, passing on the inside of the bolt holes. Install the special alignment tool (EN 47839) on the rear of the crankshaft, attaching it with the two supplied screws. Next, install the new Crankshaft Seal housing over the alignment tool and studs onto the rear of the engine block, removing the guide studs but leaving the alignment tool in place. Install the housing bolts and tighten them to the specified torque, then remove the alignment tool. The remainder of the installation follows the reverse order of removal. Finally, add oil as necessary and run the engine to check for leaks.