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Without any other info I'd say you have a bad headgasket or a cracked head/block.
Generally oil has to be pressurized to show up in coolant, or the reverse would be true and you'd have coolant in the oil also making it milky white.
So... oil is leaking from somewhere pressurized to coolant.. Pressurized oil only comes up to the head in one passage, and that has likely developed a leak to the nearest coolant passage, most likely through a bad head gasket.
This is more likely if it's been recently overheated.
Some vehicles have an internal oil cooler located in the radiator. If this cooler has a leak then you will get oil in your radiator. If the fluid inside the radiator is a pinkish, reddish color the it would be the internal transmission dooler in the radiator
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What is the purpose of the oil hose going from block to radiator and back to another hose to block?
Some vehicles run oil line through the radiator for cooling, instead of using seperate oil cooler, which just looks like a mini radiator.
What do you do when you find oil residue in the radiator of your '85 Ford Ranger?
what do you mean what to do? do you want to have an idea of what it could be? it could be the transmition fluid cooling lines(tank) that sometimes are located inside your radiator. if the lines leak you will find "oil" in your radiator. if that is not your problem then either a head gasket or a crack engine block.
What causes oil in the radiator?
hi, blown head gasket, cracked head or block or automatic transmission oil cooler in radiator leaking
Why is there oil in the radiator of your 1999 plymonth breeze?
Usually oil in the radiator or coolant in the oil is either a blown head gasket or a cracked head or block. Most often it is the gasket.PatPortland, OR.
Why is there water from my radiator in my oil and oil in my water in the radiator?
You have a blown headgasket or cracked cylinder head/engine block. It can also be a leak at the oil cooler. Its at the oil filter mounting, check that 1st.
Why does your 1993 ford truck 7.3 diesel turbo have oil in radiator?
leaking oil cooler or headgasket, or block
My'95 Saturn SC1 was overheating all the oil was in the radiator no water was in the oil I flushed it however the oil continues to build in the radiator Is this a head gasket problem?
sounds like you have a cracked head or cracked block.however, i would check to make sure it is not transmission oil and thereby ruling out a radiator problem
If there are tiny bubbles coming out from your radiator when radiator cap is open and have oil leak problem coming from valve gasket are they related?
no, they are not related. tiny bubbles that make the radiator "foam up" is the result of exhaust gas leaking into the radiator. causes are blown head gasket, cracked cylinder head or cracked block. hth
Is there a problem if there is grease on the underside of the radiator cap?
Probably getting oil in the radiator from transmission cooler that runs through one side of the radiator, outside chance of head gasket problem.
Where is the knock sensor in a 2000 Monte Carlo SS?
The knock sensor is located on the front (radiator) side of the engine block above the oil filter The knock sensor is located on the front (radiator) side of the engine block above the oil filter
Oil water is mixing but its not the head radiator or gasket?
You may have a cracked block on an inner wall.
Can you drive your car with oil in the radiator?
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.
