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1. Do I block off the coolant overflow breather hose? It is spewing out antifreeze.
The rubber hose going into the coolant reservoir ?
How much coolant is still in the radiator ?
I think it's a sign of a burned/blown cylinderhead gasket.
If the engine is running have a look into the rad -without cap- and watch for bubbles.
Or do a leakdown test.
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