replacing antifreeze in qsc 8.3 700 hrs 2013 engine

[Manamet Bay Marine]

I drained 7 .5 gallons out to fix small leak at base of thermostat and therefore replaced thermostat, filled back 5.5 gallons. do I need to bleed air out of the system or just start it up then check and add? should I fill overflow before running engine?

thanks Paul

 

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[Richard Dodson]

I had to drain 6 gallons to re seal the large banjo fitting on the turbo. Anyway, got the last gallon in by running the engine, letting it cool and topping the tank off. Took a couple times

[John]

I’d fill the overflow halfway and then run them, let them cool, check, fill, do over, etc.

It’s a process.

[Author]

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