you have a warped/or cracked head,or blown head gasket
the cylinder head has damaged the oil from the engine going to radiator
Oil in the radiator is usually an indication of a leaky head gasket.
silicone oil.
Get a new radiator or flush it out?
The automatic transmission oil cooler is built into the radiator. If the oil cooler developes a leak the oil mixes with the engine coolant.
(Oil floats) mostly mixes with the water forming emulsion which clogs the radiator.
Oil - rear or side of oil pan Radiator - bottom or rear of radiator
Okay 2 types of oil cooling system fitted to these trucks. Light duty , and heavy duty. light duty, Oil cooler lines go from the oil filter housing to the radiator. oil cooler is built into the radiator. Heavy duty, Oil cooler lines go from the oil filter housing under the radiator and in front of the radiator there is a mini oil cooler.
You need to have the radiator flushed immediately
Sure you can drive it but, you need to ask yourself, why is there oil in the radiator? If you did not pour oil in the radiator then you have a problem. Most likely cause is a blown head gasket. This is extremely serious, and will destroy the engine if not repaired.
Yes. The engine oil cooler is in the drivers side tank and transmission oil cooler is in the passenger side tank of the radiator.
The AT oil cooler is in the bottom tank of the radiator. If you are seeing oil leaking from one of the lines from and to the transmission connection could be loose.