I am currently changing the water pump on.my vauxhall corsa D 2013 1.2 petrol. Upon remove the water pump bolts I noticed that 2 maybe 3 of them had oil on threads (see pic) is this normal or.a bigger concern to check whilst I have it apart. I also noticed that behind the pump there was this collection of water (see where pen in pic is). Again is this normal?
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