Series 3 2.25d rear crank shafts groove

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rich201283

Member
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87
I am putting together a 5 bearing 2.25 and the rear crankshaft seal has previously made a groove in the crank, is this something to be concerned about when it comes to it sealing or do I just put a new seal on?
 
Will be hard to seal with a groove ,what diameter is the seal area and could a speedi sleeve be fitted?
Probably best to ask the question in the engine section and James Martin will advise.
What price is a new crankshaft?
 
polish the crank boss and fit new seal so the lip seal misses the groove and is running on a fresh part of the boss, which likely means not pressing the seal in quite so far
 
Do u need to put a shim behind the seal or just get it square on the shafts? Also when I took it off there was sealent on it
 
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