This is something I’ve been worried for a long time. I’ve had a brand new water pump since almost beginning of this project, every now and then it has been under piles of other parts or lost somewhere inside our garage, but the worrysome part has been the engine block.
The coolant orifice on the block has been corroded and I havent been brave enough to confirm that the water pump would seal against it anymore.
Below – the new water pump and some gaskets
And here is the corroded coolant inlet on the block
I testfitted the needed rubber ring in the groove (didnt take any pictures of it though) and it seems that all is well, the inside part of the groove that has been corroded isnt a sealing surface. The rubber gasket ring inside the groove will seal against the flat water pump coolant exit surface (below)
I think I just need to clean the groove from rust and other debris and maybe add something to seal it even better.
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