I'm doing a timing chain and tensioner in a 92 500e 5.0 and can't get the lower cover off. I broke the chain and pulled the two bolts from the passenger side head and also loosened the front two headbolts on both banks.all of the accessories have been removed. I also pulled the five bolts from the upper oil pan to the cover. What am I missing?

I haven't done your engine, but usually there are threaded dowels that need to come out too. I pull them by using a bolt through a stack of washers.

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Prost!