engine oil leaks
engine block oil leaks on 2006 Cadillac DTS
That engine seems to leak a lot. To pin point where oil is leaking from the engine may need to steam clean the engine first. Starting with a clean engine and then running the engine it may be easier to identify specific leaks. If the oil leak can not be identified, florescent dye may need to be added to the oil and the engine run for a while. After running the engine the dye used has florescence in the dye is visible under UV light and it helps pin points the source of the leak. Identify the color of the oil to differentiate whether the oil leak is steering fluid, brake fluid, or transmission fluid and try to identify the location of the fluid leak under the vehicle, ie front of engine compartment, rear of engine compartment , passenger or driver's side of vehicle.
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Have dye added to your engine oil and run the engine. After a little while, have the engine inspected with a black light that will make the dye glow where it leaks out. This is the best way to pin point the source of an engine oil leak. Good luck.