[Susanwalter]

Thanks for info.i had a33 open before and would blow out system also.owners manual said to drain tank first but it seems impossible to get to tank.i did the pink stuff because I was concerned with the residual that pump didn't get.i agree the taste takes awhile to get rid of.i have Cummings 480 Che's in my boat.do you have Cummings and if so do you have preheat.bill wading River ny.

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I also noted your post on leaking hatches.my are leaking from the seal between the acrylic and frame.I would like to change the acrylic when I rebed.where did you get acrylic for hatch.bill

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Also do you do anything special to engine s. I ran anti freeze through and then drained muffler.seemed most of anti freeze came out shaft so I emptied muffler. Is this typical.