So should i change the cooling system -Hoses- at the same time i get it Flushed, will that eliminate Smoky AF?

AF is AntiFreeze

When i Add AntiFreeze i seem to see Boiling coming from the Expansion Tank

I believe it goes away

My car runs fine

What woudl you do?



1991 Olds Calais 2.5L Iron Duke Tech4



And HOW DO I CHANGE MY THERMOSTAT WHILE FLUSHING IT OR TRING TO FLUSH IT WITHOUT GETTING AIR TRAPPED IN THERE SOMEWHERESo should i change the cooling system -Hoses- at the same time i get it Flushed, will that eliminate Smoky AF?
Do it Binky