If there are lines coming from the transmission to the radiator, it has a cooler in the radiator. If there are lines from the transmission to an external heat exchanger, that would be an auxiliary cooler.
Cracked head or bad head gasket.
the radiator itself no but the coolant that it carries has distinct odor Any paint on the new part could smell.
Heater core would be the likely culprit here.
You would have a leak, from either the pipes to the heater matrix (radiator), or the matrix itself.
The radiator itself probably holds a half gallon. The car as a whole would hold about 2 gallons.
If you are speaking about the two small hoses, yes. That would be transmission fluid.
The right side (passenger side) would be the transmission cooler lines. The plastic radiator tank is probably cracked near or at that fitting. Replacing the 12 year old radiator would be best.
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Radiator caps are pressure relief valves. They are rated at "pounds per square inch" and are designed to release some pressure from the radiator if it gets too high. If an engine overheats it can boil the coolant and this will cause the radiator cap to let out steam. Radiator caps DO lose their ability to regulate pressure and can release too soon. If the engine has not overheated, have the radiator cap tested and replaced as necessary.
They're typically on the lower radiator hose itself. Make and model of the vehicle it's in would help.
There may be a hole in the radiator?
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If it's just blowing out when you start it you probably have a cracked head or blown head gasket. If there is oil in the radiator there is a change you have oil coming in from the transmission cooler. But there would have to be a lot of oil to make antifreeze come out the radiator cam. Since you did not mention oil I would suspect the head gasket. If you got it hot I would lean toward a cracked head.
Sounds like your car is overheating, or at least there is a small leak in the cooling system somewhere. Job one, would be to be to look under the hood while the steam is present to determine it's source. I'd suspect a hole in a radiator hose or in the radiator itself. It could be a leak in the reservoir too. Is the cap on it nice and tight and sealing OK?
coolant overfilled? thermostat not opening allowing pressure to build-up? --------------- Please test the radiator cap with a pressure tester. Also, look for a cracked head or bad head gasket.
If the radiator was not fitted in properly or the pipes were not attached correctly, the radiator would leak.
A household radiator is cast iron. An automotive radiator would be aluminum or copper.
If it is coming from the radiator or the hoses this would mean your antifreeze is boiling in the lines. I would recommend first changing the thermostat and bleeding the air from the rad lines.
check your thermostat, it may be blocked. Your water pump is pulling water from the radiator but none is coming out of the engine so you have a vacuum. This most probably means that you are low on coolant as well.
I would suspect a clog in the radiator.
The radiator would be specific to the truck, not to the engine.
The parts that are needed to fix a car radiator depends on what is wrong with the radiator. It would be best to have the radiator fixed by a professional.