

Maybe refill with water/flushing solution. (Some may not approve of that, but you are flushing the "block" that way.")ĥ. Remove the Thermostat, and let that garden hose flush through the engine, coming out the OTHER side of the lower hose, going in through the other side of the upper. (On a car I had, the water was dirty for a few MINUTES before it ran through clear, and not brownish-dirty.)Ĥ. Let the garden hose run THROUGH the radiator. Take off the UPPER hose, at the other end.ģ. Remove the LOWER hose, from where it attaches to the BLOCK/water pump.Ģ. an alternate, something we Shadetrees would do. Some may be more "thorough." To me, it is all about when the drained water looks clear. like I said, there are a few methods to achieve the same result. it is all in the method, as the coolant circulates through the block. *You can only see what comes out of the radiator, but this "flushes the block," as you say. Let it run through for either 20-30 minutes, or, weather permitting, drive around with it like that for a day or so. Fill up with water, and flushing solution.ģ. Remove the radiator "drain petcock." It is a bolt.Ģ. Do i have to drain the engine block to when changing the coolant or its fine to do the flush without?
