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Oil sludge

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Title: Oil sludge  
Author: World Heritage Encyclopedia
Language: English
Subject: Synthetic oil, Crankcase ventilation system, Motor oil, Chrysler LH engine, Sludge (disambiguation)
Collection: Automobile Maintenance, Engines
Publisher: World Heritage Encyclopedia
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Oil sludge

Oil sludge or black sludge is a solid or gel in motor oil caused by the oil gelling or solidifying, usually at temperatures lower than 100 degrees Celsius. Oil sludge can be a major contributor to internal combustion engine problems, and can require the engine to be replaced, if the damage is severe.

Contents

  • Causes 1
  • Precautions 2
  • References 3
  • External links 4

Causes

Sludge is usually caused by a poorly designed or defective crankcase ventilation system, low engine operating temperatures, the presence of water in the oil or crankshaft-induced cavitation, and can accumulate with use. Oil sludge that causes an engine to run poorly or even seize is a rare occurrence and typically happens only when oil changes have been neglected or if the car has been driven extensively with an extremely low oil level.

Precautions

Ways to minimize sludge production and accumulation includes performing frequent oil changes, performing mechanized engine flushing, or de-sludging, using synthetic oil,[1] and following the manufacturer's engine maintenance routine. Chrysler, Dodge, Audi, Volkswagen, Saab and also some of Toyota, Lexus models are known for oil sludge problem.[2]

References

  1. ^ Norris Schleeter and Melanie McCalmont (25 September 2005). "Oil Sludge: an expensive but preventable disaster". www.schleeter.com. Retrieved April 28, 2010. 
  2. ^ Consumer Report 2005 (2005). "The black death of sludge:A costly problem". www.consumerreports.org. Retrieved November 6, 2014. 

External links

  • schleeter.com; a technical article about oil sludge, with photos.
  • burn oil sludge utilization
  • waste oil residues and oiled condensate water in the ports and tank farms
  • sludge - dispergation and utilixation as fuel.Photo.
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