Oil Analysis

July 26, 2021

Oil analysis, what does it do for my vehicle?

Analysing the oil in your engine is like sending a sample of your blood to the lab, it reveals an astonishing amount of information about the inner workings without invasive surgery.

We all know a few engine killers,

  • Fuel Dilution is the amount of raw, unburned fuel that ends up in the crankcase. It lowers viscosity creating friction-related wear almost immediately. Dilution levels exceeding 8% could cause a crankcase explosion.
  • Coolant Leaks usually enters an engine through a broken head gasket seal, cracked cylinder head, cracked block, faulty water pump or lube cooler and can cause wear in bearings, bushings, pistons, liners, cams, and valves.
  • Dirt is detected by the presence of silicon and aluminium. It causes wear rapidly, in components made of iron, lead, copper, and tin, such as pistons, bearings and liners.
  • Soot is a sign of reduced combustion efficiency and is caused by over-fuelling, air restrictions, blow-by, excessive engine brake use and/or excessive exhaust backpressure. Knowing that a particular engine design creates and retains more of it doesn’t make higher levels acceptable. Alarm limits should remain the same — maintenance practices should change

Because regular tests, will show a trend and a trend when comparing results enables you to act before engine failure occurs. That leaking head gasket or fuel leak can be acted upon before they cause more expensive damage and cost you ££££

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David Ellingworth

Registered Office

Phoenix House, 2 Huddersfield Road, Stalybridge, Cheshire, SK15 2QA

0333 344 9893



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