burp fresh water cooling system

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deliveryman
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Joined: 10/20/08
Posts: 9
burp fresh water cooling system

I'll be installing a new heat exchanger next weekend and would like to know how to burp the fresh water cooling system (anti-freeze) after installing the new HE and anti-freeze.Any help would be appreciated.

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Haro
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Joined: 11/7/14
Posts: 403

After filling antifreeze, place the fresh water fill cap on and start the engine. Monitor the water temperature and turn off the engine when temperature reaches 170F. On the top of the engine loosen the temperature sending unit until you see bubbles comming out. Then tighten it back up. Make sure the reservoir is full. Turn on the engine and monitor the temperature
It should drop and the antifreeze in reservoir will drop. Repeat a few times untill no more air comes out at the sender unit.

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