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I have a 1986 fresh water cooled Mercruiser 170HP 4 cylinder engine,
that I am trying to get repaired. I have some questions. I am getting some tapping sounds from the front top end. How do I tell if the oil is flowing throughout the engine? The oil gauge shows pressure. My lower unit shows no sign of circulating water into the heat exchanger. Does anyone know how to add a weep hole so i can visually see the flow? Thank you Jim Rojas |
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