How do I remove oil sludge from engine?

Tiny
SLICKRICK
  • MEMBER
  • 1994 NISSAN SENTRA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 135,000 MILES
Put too much oil in engine
Thursday, September 8th, 2011 AT 4:53 AM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,916 POSTS
How much is too much oil? Overfilling the oil is not what forms sludge. There are a lot of really good additives in today's oil so sludge buildup shouldn't be a problem if the oil is changed on schedule. If the buildup is really bad, an old trick is to add about a quarter of a quart of automatic transmission fluid to the oil, drive the car for a day or two, then change the oil and filter.
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Thursday, September 8th, 2011 AT 6:17 AM

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