Oil in the Radiator Fluid?

Oil in the Radiator Fluid?




Engine oil passages and coolant passages cross over a number of times in an engine. This means that there are a number of opportunities for fluid crossovers. The one common denominator in fluid crossovers is that in no case should they ever be ignored.



Types of Oil

Either engine oil of transmission fluid may be found in the coolant. It's important to diagnose which is which to resolve the problem.
Identification

When a sample of the coolant is removed and examined, the oil in it will separate. Transmission fluid is red and engine oil is amber or black.
Oil Leaks

Engine oil leaks can occur at the intake manifold gasket, at a blown head gasket, or within a cracked head or block.
Transmission Leaks

A transmission fluid leak almost always occurs within the radiator, where the transmission fluid cooler integrates into the water portion.
Temporary Solutions

Auto parts stores sell a number of stop-leak products. Transmission stop-leak, oil-stop-leak and coolant stop-leak are all available.
Considerations

Though a fluid crossover may be fixable with nothing more than a stop-leak product, it almost always implies a larger engine problem that needs attention.

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You can also pull the dip stick on engine or transmission to see if any water is in them. If you have oil or transmission fluid in your radiator its to late for any stop leak product the only fix is to correct the problem.Dont drive car or truck when you see this either it will only cause a bigger problem or desroy the engine or transmission,and possibly leave you walking or a big tow bill.

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