You want to do this second confirmation so that you don’t end up taking half your engine apart chasing the wrong problem. If you do see the milky substance on the oil cap, see if you can shine a light down into the valve cover and see if you can see any further milky substance.
#Oil in coolant cracked
If you see what looks like a “milky” substance on top of the radiator cap, that’s a solid indication that the head gasket is blown or the head is cracked (much more likely the head gasket). With your Transit Connect parked, take the oil fill cap off. Oil in Coolant Diagnosis: Ford Transit Connect
When this happens, a new radiator and a flush of the symptom will keep oil out of your Transit Connect’s coolant. That means that what you check the radiator, you may see what appears to be oil, but is actually transmission fluid. But, if you have a regular automatic transmission the radiator will also cool the transmission fluid. Either the head gasket failed to protect it by blowing first, or it got so hot that it blew anyway.Īll radiators cool then engine coolant. The most common way that a cylinder head cracks is by overheating. Outside of a failed head gasket, the most common reason that you would find oil in your water is going to be a cracked cylinder head. Common reasons that the cooling system fails are: When it fails, it is protecting your Transit Connect from even worse damage by relieving the pressure on the head before it can crack.Ī head gasket will fail when your cooling system can no longer keep it cool. A head gasket is supposed to have a lower failure temperature than a cylinder head. While a failure of the head gasket is the most common reason, there are a few other reasons as well.įar and away, the most common reason that you would find water in your coolant is a blown head gasket. There are only a few reasons that oil would be in your Transit Connect’s coolant. Oil in Coolant Causes: Ford Transit Connect You may still have some in the reservoir. It doesn’t take a lot of coolant to make the oil look milky. If left unattended for long enough, and enough water gets in, your Transit Connect’s engine can lock up. This indicates that your oil is losing its viscosity. If enough coolant gets into your oil pan, you may start to notice knocking and pinging sounds. The most common symptom of oil in the coolant will be that the oil is “milky” or “creamy” in your radiator, or on your oil fill cap. It can also be caused by a cracked head or even a bad radiator (well sorta, you’d be looking at transmission fluid and not oil, but it looks rather similar in the coolant).įord Transit Connect Oil In Coolant Symptoms Oil in your coolant is most often caused by a blown head gasket. If you’ve recently checked your Ford Transit Connect’s coolant, and it looks almost like it has butter in it, then you probably have oil in it.
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