JoeH Posted May 11, 2021 Share Posted May 11, 2021 '95 rd688s with an E7-350. Horrible oil leak at the rear of the oil pan area, found 2 cracks in the old oil pan so we put a new one on; still leaking. Inside of the flywheel housing is dry. Book indicates there's an "isolated" and "non-isolated" oil pan setup. Do they use the same oil pan? Mine is the non-isolated setup, did the dealership give me the wrong oil pan? Hoping it's not related to the flywheel housing "Silastic" seal to the engine block... Could a flywheel housing-to-block bolt break or loosen and allow enough flex to crack the old oil pan and cause the new one to leak? 21,200+ hours. Any common problems in that area? Quote Link to comment Share on other sites More sharing options...
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