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I am a ASE certified master technician with 30 years of professional auto repair experience. The first thing I would suggest regarding noisy lifters is to make sure the engine oil pressure is to spec, this can only be done with a oil pressure gauge screwed into the oil pressure sending unit passage. If the oil pressure is to spec hot and cold then it may be caused by sludge build up, if it is sludge there are some tricks of the trade to clean sludge but you would have to determine the extent of sludge build up before treating the problem, a engine flush could be dangerous to the life of the engine if the sludge is extreme as all of that sludge will end up in the pan and may plug the oil pick up screen causing loss of oil pressure, removing a valve cover is one way to determine if sludge is the issue.

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15y ago

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