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Re: overheating volvo aq170

I just pulled the twin AQ170 and 280s from an old Skipjack 25. The engines were plagued with overheating. Each water intake had a large plug of material inside of the lower unit. I found the plug when I was rebuilding the water intake on the drive. I can imagine warming up at the dock OK, but when the water is flowing fast, the plug would move up the inlet "galley", and plug the water intake. Overheating would soon follow. One intermediate housing was cooked, and one exaust pipe was cooked.
Check yours(out of the water) for this condition! The mechanic said often the plug in the bottom of the intake would get left in when the hose adapter was used in flushing. This would allow material to accumulate. I have never run the boat, but hope to someday...
Arby


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  • Re: overheating volvo aq170 - Arby Bernt 23:57:35 05/17/03 (0)


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