This could be due to a blockage in the radiator hose, preventing the flow of coolant. Another possible reason is a malfunctioning thermostat that is not allowing the coolant to circulate properly. It's best to have a mechanic inspect and diagnose the issue to determine the exact cause.
If both the top and bottom radiator hoses are cold, it is likely that the thermostat is stuck closed, preventing coolant from flowing through the radiator. This can result in poor engine cooling. Additionally, air trapped in the cooling system can also cause both hoses to remain cold. Purging the air and checking the thermostat would be recommended in this situation.
The radiator is filled with hot water from another location. The water then heats up the metal that the radiator is made of, and the metal heats up the air in the room.The most efficient location for a radiator is underneath a window. This is because the air near the window(and the air leaking in from the window) will be cold, and will therefore drop down to the floor because cold air is heavier than warm air. On its way towards the floor the cold air will pass near the radiator where it will be warmed up, and afterwards rise towards the ceiling of the room. When the air eventually cools down it will drop to the floor, where it eventually will be heated again by the radiator. The air will continue to rotate in this manner.In older buildings the radiator was placed near the center of the apartment, as this was where fireplaces were previously situated. However this proved ineffective as the cold air seeping in from the windows would have to cross the floor to reach the radiator and be heated, resulting in a very cold floor.
Backpressure in a radiator when cold and the cap is removed can be caused by trapped air bubbles in the cooling system. When the engine is running, the coolant expands and can create pressure in the system, pushing air bubbles to the highest points like the radiator. When the system cools down, the trapped air can create backpressure in the radiator.
Cold air feels cold because it has a lower temperature than our body temperature. When we come into contact with cold air, it absorbs heat from our skin, making us feel cold.
The best place to install a radiator for optimal heating efficiency is under a window. This placement allows the radiator to counteract the cold air that comes in through the window, resulting in more efficient heating.
I would suspect a clog in the radiator.
You do not have one. Disconect the lower radiator hose. (after cold)
clogged radiator or bad water pump
It has not had time to go through the whole radiator
If you cannot find the drain plug you can also pull the lower radiator hose. MAKE SURE THE ENGINE IS COLD!!!
During Winter or whenever it is cold to lower the freezing point of the water in your car radiator. :] F
If your truck doesn't have a drain plug on the radiator, just remove the lower hose and place a container underneath to catch the coolant. there should be a petcock on one of the lower corners of the radiator. it would more than likely be on the engine side (as opposed to the front of the radiator). with the engine cold, remove the radiator cap, then unscrew the petcock. catch the coolant in some sort of container as it is illegal to dump it into the environment. its also very toxic to animals.
The thermostat has not opened yet.
As long as the engine is not overheating, this is normal for a radiator to do. The heat comes from the engine on the driver's side, and exits to the engine on the lower passenger side.
maybe the waters in a flask or has been next to radiator or maybe it came out of a cold tap
there may not be one if there is is it on the bottom side and if it is not you candrain it by removing the bottom rad hose The 1999 Pontiac Grand Am does not have a radiator drain valve. To drain the radiator, remove the lower radiator hose. The engine should be cold and the water fill cap removed for venting. I have a 2000 Pontiac Grand AM and radiator drain cock is located at the lower/front (not bottom) at the curbside of the radiator, you will need a hex key to back out petcock. .
If both the top and bottom radiator hoses are cold, it is likely that the thermostat is stuck closed, preventing coolant from flowing through the radiator. This can result in poor engine cooling. Additionally, air trapped in the cooling system can also cause both hoses to remain cold. Purging the air and checking the thermostat would be recommended in this situation.