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Oil sludge
Contamination inside an internal combusion engine From Wikipedia, the free encyclopedia
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Oil sludge or black sludge is a gel-like or semi-solid deposit inside an internal combustion engine, that can create a catastrophic buildup. It is often the result of contaminated engine oil and occurs when moisture and/or high heat is introduced to engine oil.
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Causes
Oil sludge may occur due to a variety of different factors. Some of the most common causes are:
- Defective crankcase ventilation system
- Oil/coolant contamination
- Neglecting oil changes
- Low oil level
- Poor engine design
Precautions
Oil sludge is generally preventable through frequent oil changes at manufacturer specified intervals, however, while uncommon, some engines do have a tendency to build up more sludge than others.
References
External links
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