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Q: Gasket or main seal leaking oil.

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Either the rear main seal is leaking or the head gasket is blown. when the car warms up, it starts leaking oil.

A: There are dozens of places where oil leaks ...

There are dozens of places where oil leaks can originate. The rear main seal and head gasket are just two of the possibilities. I suggest you have dye put in the oil system to determine where the leak is coming from. A trained mechanic, such as one from YourMechanic, can do this for you.

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