I'm not really sure what you mean but if you need to drain it and the tap on the bottom is stuck, undo the clamp on the lower hose and drain it into a pan. If you meant the core is clogged, you are pretty much out of luck. Try an autoparts store for radiator cleaning solution or mix 50/50 water and CLR. Do not leave this mix in there long because antifreeze is what lubricates the water pump and you will eventually burn it up by running anything else but antifreeze.
just take the shroud off to give you a little bit of room to work leave the radiator in
no. instead use arm and hammer washing soda diluted with hot water
stuck thermostat or a air bubble in the system. Or the lower radiator hose is plugged or collapsed.
When there is no water in the radiator, a car can overheat. Serious damage can occur like a blown head gasket an warping if one drives for a long time without placing water in the radiator.
That would depend what is clogging them
there is supposed to be water in the radiator. your radiator is supposed to be evenly mix 50/50 with radiator fluid and water, preferably distilled water.
You Don't .. You replace them
Water Jetting works best
You should never use transmission fluid in a radiator.You can use water without antifreeze in a radiator, but if the engine gets below 32 F (0 C) the water will freeze and severely damage the engine.
blown head gasket
boil water... put it into a cup, rest your clogged ear over top of the cup. the steam from the boiled water will unclog your ear.
try taking it apart and drying it on a radiator or television vent.D'ont dry the battery as it might cut the circut. Leave it for a few days without turning it on.
There is a water reservoir tank that goes to the radiator that you can add the water to.
You should pour hot water down your drain. Hot water will open up your drain quickly. If you don't have hot water put some on the stove and unclog away, and this should work.
Unclog the drain.
You can get rid of a headache without taking medication by simply taking plenty of water, or using a cool compress over your head.
Dump 1 cup of baking soda, then pour 2 cups of vinegar, add a gallon of hot water if the toilet doesn't have too much water.. Repeat if necessary.
The hoses to the heater core can be disconnected under the hood. connect a water hose to the core, and try to flush the core to unclog it.
I assume you want to change out the water pump and would like to know if you can do it without draining the radiator. You will lose approximately all the coolant in the radiator reservoir when you remove the radiator hose from the water pump. If the coolant is in good, clean condition, it might be wise to drain the radiator into a container and re-use the coolant.
You can add water to a radiator any time it is low on water.
Typical problem caused by a blocked radiator,i had a similar problem on my '94 ballade,had radiator cleaned out by specialists...solved my crisis now running into a full year without water spilling over.Good luck.
remove your radiator form your car then poor some hot water in radiator till water comes out nice and smooth.