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So I’m getting this figured out slowly. The parts diagram makes it look like both the rubber sleeve and the plastic washer may go on the inside of the pump and that’s how it was when I dismantled the pump. However the online service manual shows that the plastic washer and rubber sleeve go on...
Thanks. These older pumps don’t seem to use that plastic riser like the diagram you posted shows. That’s why I was a little concerned on how well the pump will seal to the copper pipe. And that small part is too small for the slinger and is hard plastic. I did get the larger rubber slinger in...
I just picked up an old ‘65 Fiberform with a Merc 500 thunderbolt. I’m going through the lower end replacing the water pump and have some questions. My stock pump and the replacement pump both have a raised tube for the outlet water to the engine and both are internally tapered and also have a...
