drove 20 mi.got water boiling over and white smoke from rear.wont start.towed home.filled with water.wont turn over.water leaking from rt.side rear of engine.1998 chevy s10,114000 mi.freeze plug,cracked block,head gasket.is it one or all how to narrow down.how to fix
Replace the freeze plug, switch to a universal coolant, then have a compression test.
It sounds like either a head gasket or intake manifold gasket let loose. Remove the spark plugs and then try starting the engine. If coolant shoots out of any of the spark plug holes, it’s one or the other.