well hes not lying to you there would be alot of labor involed. plenum has to be removed(might as well do egr and collant deleate), tranny,clutch flywheel has to come off. as for the front seal???humm thats proably the oil pump as it is intergrated into the front. might as well do a 60k service.
just my 2cents ..u can say ive been through one or 2 hahahah