Hey guys, so recently I had an engine rebuild and finally got the engine to turn over but then oil mixed w my coolant. I took the water pump back to the dealer. He installed the new mechanical seal and add an oil seal he said I was missing. I have an 07. Im thinking maybe the “oil seal” that was “missing” was never suppose to be there in the first place. Can someone confirm that? I went from slow drips to all of the coolant spilling out once it was added.