Engine overheating, could weeds from trent Severn be the pro

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Engine overheating, could weeds from trent Severn be the pro

Postby dreamer*65 on Fri Jul 12, 2019 8:00 am

There is an overheat warning on the Volvo penta display and exclamation point on throttle. Overheating occurs at a higher rpm. The Trent is filled with weeds, eurasian milfoil, and zebra mussels. Could either of those be the problem?
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Re: Engine overheating, could weeds from trent Severn be the pro

Postby BB marine on Fri Jul 12, 2019 8:40 am

Yes. What boat do you have? If you have a R25, R27, C26 a 1" thru hull is used which is marginal sized thru hull pickup. If this system gets slightly plugged you will experience at high speed operation over heat or higher then normal engine temperatures. Clean the sea stainer, if a lot of weed is noticed then go one step further and remove the hose from the strainer to the reverse gear cooler and inspect the cooler for debris. At the dock , sea strainer cover off (seacock closed) Have a hose that is attached to dock water, have a nozzle on the end of the hose. Position the nozzle in line where incoming water enters the strainer. Open the the seacock and start back flushing the plumbing through to the bottom of the boat. If it still over heats after do this I would inspect the raw water impeller. Also don't over look low coolant level. I know of a R25 tug that had this same issue on the Erie this year the flush resolved the issue.
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Re: Engine overheating, could weeds from trent Severn be the pro

Postby knotflying on Sat Jul 13, 2019 7:07 am

You may want to also inspect the oil cooler. It has been known to collect weeds and clog up, hence low water flow.
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