2005 Prius base - cooling fans

Air bubbles will cause a lot of this right off the bat It is very difficult for some to fill the generation 2 with coolant generally if you feel it really slow like I'm talking to trickle through the filler neck you will get two full gallons almost into the thing I mean you wind up pouring it up to the top of the filler neck and stopping watching that drop down in vanish doing this over and over and over and over again to you burn up in the heat outside or you're freezing the cold while you're doing this it takes that long sometimes there are automatic fill vacuum devices that you can purchase to do just this if doing this in 30 seconds is a thing I usually can do this with the first methodology in about 8 minutes then I go for a drive and then I come back I uncap everything and I try to do it again If it's full I fill to the top of the fuller neck it'll get to that little hole that blow off goes over to the opaque tank and then nothing it won't drop I can leave it sitting there for a half an hour watching it It won't move I put the cap on create the seal between the jug and the radiator itself and I know it's full there's no more coolant going in there at all. Then I go for a drive if I want I have an '09 car that's losing a little bit of coolant and I can't figure out where nobody can find it's not in the car outside of the car not going through the tailpipe don't smell it in the spark plug holes but every four or five days I get it out on the highway for an hour drive and my triangle will come on and off seemingly with speed or air going through the front of the grill when I get home I wind up putting in about a quart of coolant with the first methodology mentioned above it's like clockwork I didn't even know we had an overheat right I've never seen that and I don't usually plug up software to monitor temperature by degree I just know it's getting too hot because it's low I don't care what temperature it is it's just hot more than needed and it's not thermostat water pump belt or any of that It's literally near a quart of coolant to seemingly going somewhere every 5:00 or 8 days

 

Is the coolant level in the radiator full? (check when engine is cold)

Do both radiator fans work? They should both turn on "low speed" (fairly quiet) when the A/C is turned on. They should both turn on "high speed" (louder) when the engine temperature gets high (around 200-205°F?).

Does the radiator core (the part with fins) get hot when (Engine Coolant Temperature) reads about 180°F?

I assume the ICE water pump & drive belt look ok? When the ICE temperature is high, does turning the heater on to "full hot" produce lots of very hot air, and does that affect ICE temperature at all?

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