Hello I will help you with your question,
There is no bleed valve for the cooling system on this engine, you fill the radiator and run the engine then fill again til it stops taking water.
If you are still overheating and having pressure in a cold system that pushes water out it is certain that a head gasket is leaking. You may be able to do a combustion gas test and see gas in the coolant or put a pressure gauge on the system and if you have pressure without heat then the gasket is leaking.,
Let me know what I can do to help you