The crank shaft arrives today from Germany for my OM603 engine. Need some hand holding on the how to replace the crank in the most efficient manner. Basically, the crank shaft broke near cylinder 1 and it is the only problem. I drove for 20 miles to get home and the car was parked ever since. The engine was noisy and leaking oil from the front seal ( the broken shaft moved in and out a bit ), apart from that it drove fine. So the engine is sound. Question, what are the rough steps to replace the crank? Please list the steps and any pitfalls, if any. I have never done this kind of engine work. Thanks.

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