Re: 2005 6.0 leaking coolant?
When it comes to leaks, help over the Internet is hard to give.
It could be radiator hoses, hose under the degas bottle, thermostat seal, radiator itself, over-pressuring of the degas bottle, leaking degas bottle (cap or plastic bottle), etc.
You just have to clean up all you see and watch for it to begin again. Catch it early before it spreads.
You can also rig up a hose from a small air compressor and "tee" it into a vent hose that goes to the degas bottle and pressurize the coolant system (go to 15 psig max). Then look for an active leak.
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