Oil in coolant tank after gesket got replaced


Asked by Jun 24, 2016 at 06:38 AM about the 2003 Ford Focus ZX3

Question type: Maintenance & Repair

After the top gesket  got replaced, i saw oil in the
coolant water tank ,  but wasnt there before the
gasket was replaced,  what could be wrong?

8 Answers


Which gasket are u referring to. Flush coolant and see if it's still there, if it is, u have a blown head gasket


The top gasket.....


If the oil is reddish in color, and this is an automatic, possible oil cooler in the radiator developed a crack. To repair you would have to pull the radiator and see if could be repaired. To determine if it is your head gasket, just do a compression test and see if all the cylinders are close in compression of each other, if not then something wrong with the head gasket.

Best Answer

The oil is dark, lets say black , i think i will check th radiator, and yes its an outomatic.... Thanx alot


Hopefully it is just dirty trany fluid and not the head gasket.


Rowefast, iam not a mechanic, so were exactly on the rediator should i look?


The oil cooler for the trany is under the radiator cap usually inside the radiator. It would need to be pressurized to see if it leaks.


It is where the trany lines run into the radiator.

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