Radiator Overhaul tinatangal yung radiator from the engine bay, top and bottom covers are removed... using a cleaning stick each tube will be cleaned manually together with running water... assuming na copper type yung radiator but if plastic / aluminum pagka alam ko eh hindi pwede i-overhaul flushing lang
Radiator flush is using chemicals to flush out dirt and other unwanted formations inside your cooling system the chemical is poured in the radiator then run the engine for a few minutes then will be drained, then change new water preferably DISTILLED WATER.. some shops now have "Radiator Cleaning Machines" the hose is connected in between the radiator and the engine where the chemical will be re-circulated by the machine... that could be the reason why there is no need for turning on the engine during the cleaning process..






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