Cooling system

Good afternoon.

Steam is an indicator of coolant burning in the engine. In most cases, it is due to a failed head gasket.

You need to have a leak down test done on each cylinder to see if you have a head gasket leaking coolant into the cylinder.

Roy

https://www.2carpros.com/articles/head-gasket-blown-test

https://www.2carpros.com/articles/radiator-pressure-test