Ok I have a 2006 LBZ stock lots of miles , the turbo bearing is starting to whine , started to take apart to swap the new turbo in , and there is oil in the coolant , and coolant in the oil , could this be because of the turbo , or is it something else , and it caused the turbo to fail , never over heats , etc , so will the turbo seals allow this to happen ?
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