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Q: MY CAR IS LEAKING OIL on 1993 Buick Regal

MY CAR LEAKING OIL ON THE MANIFOLD IN THE LEFT IN RIGHT NOW I KNOW ITS THE VALVE COVER BUT DEALER IS TRYING TO TELL ME ITS THE INTAKE MAINFOLD GASKET, OIL DOES LEAK OUT OF THERE ON TO THE MANIFOLD DOES IT ? , I DO NOT HAVE WHITE SMOKE IN I DO NOT HAVE A MIXER OF OIL AND COOLANT HE LIEING TO ISN'T HE.
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It sounds obvious the valve cover gaskets are leaking, the intake can leak intake manifold vacuum or coolant but not oil. It may be necessary to wash down the engine and or add dye to the engine oil to pinpoint the source of the leak but it is common for the valve cover gaskets to be the source of the leak you describe. Get a second opinion.
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