Coolant flush and more?

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Mar 7, 2020 | 11:25 AM

David63

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Coolant flush and more?

2013 5.0 95000 miles
Going to do a coolant flush and I was wondering if I should change the o rings in the hose connections?
Mine haven't leaked yet. But I don't want to get surprised in a few months.

Mar 7, 2020 | 09:21 PM

20004.6

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From: California

If they are not leaking, dont disturb the connections.

Mar 7, 2020 | 09:25 PM

David63

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Joined: Jul 2019

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Does the thermostat on these have a bypass?

Mar 8, 2020 | 03:14 PM

20004.6

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Joined: Nov 2012

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From: California

They have a small air bleed hole at the top, but as far as coolant bypassing it until it opens, i think it just circulates past it through a port in the housing, until it opens.

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