Suspected problem with cranshaft?
Posted: Sat Oct 12, 2019 2:45 pm
Seeking your thoughts please:
Before I start stripping the engine down, I think there is an issue with the crank.
When reducing the revs of the engine to near tick over, a fairly high pitched, rattling noise is coming from the top end area. The rattling noise then disappears as the revs are increased. Could the crank and/or con rod be distorted or is it a disintegrating big end bearing?
I will work on the engine soon and to see what is going on, but as anyone experienced such a rattling noise to discover that the crank was at fault? I would also be interested to know what happens when the crank does give up especially when the engine is turning. Does this result in a seizure within the barrel?
Thanks for reading. H.
Before I start stripping the engine down, I think there is an issue with the crank.
When reducing the revs of the engine to near tick over, a fairly high pitched, rattling noise is coming from the top end area. The rattling noise then disappears as the revs are increased. Could the crank and/or con rod be distorted or is it a disintegrating big end bearing?
I will work on the engine soon and to see what is going on, but as anyone experienced such a rattling noise to discover that the crank was at fault? I would also be interested to know what happens when the crank does give up especially when the engine is turning. Does this result in a seizure within the barrel?
Thanks for reading. H.