from air in the system huh, and you wonder why the core is air bound, lol

ive done my own flush, the way i posted, no cleaner and had boogers for 3 more flushes. that crap is every where. one flush wont clean it up, it takes years to clean out with just coolant changes. and even a cleaner will still leave some crap behind.

that sludge is thick and coats everything, the rad, the inside the engine, the core, the lim everywhere. hell i had snot on the t stat and inside the hoses too.