I agree on the tap water thing and it looks as if it was a problem. I cannot see any obvious leaks in the head gasket. BTW thanks for the welcome it is really nice to post on a board with cool people. I am going to check the chain before I decide to replace it. it seem that it is not very old. I will measure according to the fsm. The water pump is in very good shape. I am a little hesitant to replace good parts as a usually use only OME so it get expensive. I will be pulling the pan for a full inspection