do car dealers and auto repair shops usually add engine flush to remove oil gunk from the engine?
Posted by admin on July 22, 2010When doing an oil change?
no.
but most engine oils now advertise having additives that remove said gunk and sludge.
Posted under auto shops
"Not unless You Request or Instruct it to be Done."
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38 Years Exp.
it’s a con most modern engines don’t react well to engine flush and the flush additive has to be added a day or two before the oil change to work well if flushing oil is used again it has to be put in a day or two before a change, if you use top grade (especially synthetic) and change oil regularly flush is unnecessary
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That is normally how it is done yes. However, a shop should ask you if you want them to do that, not just go ahead and do it anyway.
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Not without good reason. If you have a sludge problem, do it. If not, that acid may do more harm than good.
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no.
but most engine oils now advertise having additives that remove said gunk and sludge.
References :