Water pump. Could be going out or just belt slipping. Also a sticking thermostat.
Yes---after air goes thru condensor,it is warmer than if ac is off. Clean the radiator
Your car will leak anti-freeze/coolant. If you run out of fluid in your radiator then your car will overheat in a short period and cause much more damage. Fix your radiator!
YES
There are several causes that will reduce the water level in your car radiator. The most common cause is evaporation. Engine overheating will also reduce the radiator water level.
Many things can go wrong with a car radiator. Since the car radiators job is to keep the car from over heating, the radiator can become to hot and become damaged, and it can also become clogged with dirt and debris. A car radiator can also become rusted and sludge can get built up in the wires which will cause it to over heat.
It will almost certainly cause your car to overheat, which can lead to costly damage if it cracks a head gasket! Put some water in your radiator!
Resistance to flexing and vibration and corrosion and electrolysis.
You need to go get your car looked at by an auto repairman if you have a crack in your auto radiator. They can tell you if it needs replaced or just fixed.
Radiator removal for a Subaru is no different from any other car.
Top of the radiator just like every other car.
Well a possibility is a problem with the radiator, either it needs to be fixed, replaced, or has no radiator fluid in it to cool the engine.
There are different types of car radiator, one of which is an 'Aluminum Raditor'. The advantages of this type over the others is that firstly it is more lightweight than other metals, and cheaper to fix. Other advantages are more durable in high temperatures, and more resilient if you were involved in an accident.