Q: How to fix an oil leak?

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Walmart said car leaking oil

My car has 87500 miles.
My car has an automatic transmission.

The proper way to repair an oil leak would depend on where the engine is leaking from. Common leak sources include the valve cover gaskets, oil pan gasket, rear main seal, intake manifold gasket, oil filter, and drain plug. The repair could be as simple as changing the oil or as difficult as removing the transmission to replace the rear main seal. This is will all depend on where the leak is coming from. To avoid any unnecessary repairs, I would recommend having an oil leak inspection performed by a qualified professional, like one from YourMechanic.

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