Steps to check
1. are the fans coming on when its hot or when ac is on- their heat switch or fan motor
2. air in the system - burb it or see if the radiator has holes near the top or a faulty cap- could pressure test this system
3. thermostat - see if it has normal function of opening in 5 minutes or less
4. head gasket leak - look for oil or smear in coolant , you can test for oil in the coolant or coolant in the oil, also a leak down test
you didnt but the pipes on right
The only way to find out is to have a look it could be anything.
The radiator will need to be replaced. Sometimes, it may seem that the radiator itself is leaking but it could be the radiator "hose" that is leaking. In this case, the radiator hose needs to be replaced and clamped tightly.
Check radiator hose, leaking water pump, look for hole in radiator, leaking coolant bottle or leaking seals.
Maybe it's not the radiator. Maybe it is one of the radiator hoses that is leaking. Or possibly the radiator cap or a level sensor.
Yes it is on the lower radiator hose where it connects into the engine block, follow that disconnect it (careful of coolant leaking) thermostat housing should be below that hose. Good luck
"transmission fluid leaking from fitting below radiator cap after replacing radiator on 99 surburban
Leaking radiator? Leaking or loose radiator hose?
It could be the radiator, the hoses, a leaking coolant tank or the water pump.
maybe your radiator is broken and you need to get a new one or just get a reparation if the radiator starts leaking when is in use it may be leaking because of the pressure of the water.
If it is leaking water, it is bad.
Some typical radiator repair jobs are leaking hoses, leaking radiators or loose connections.