oliechange

Oliechange is the maintenance procedure of replacing the lubricating oil in an engine or machinery, along with the oil filter and related seals. It is a routine service intended to remove degraded oil, contaminants, and metal wear particles, and to ensure proper lubrication and cooling.

The typical process involves draining the used oil from the engine sump, removing and inspecting the oil filter, replacing the filter and any drain-plug gasket, and refilling with the manufacturer's recommended oil grade and quantity. Some technicians use oil-analysis tests for specialty engines. After adding new oil, the engine is run briefly to circulate the oil, and the level is checked again with a dipstick.

Oliechange services use conventional mineral oil, synthetic blends, or full-synthetic oils. The choice depends on the vehicle, climate, and driving pattern; high-mileage engines may use specialty formulations or additives. In many engines, a new oil filter is mandatory because it traps contaminants.

Typical intervals vary by manufacturer: conventional oil every 3,000–5,000 miles, synthetic up to 7,500–10,000 miles, but owners should follow the vehicle's owner's manual. In severe driving conditions, more frequent changes may be advised.

Environmental and safety considerations include proper disposal of used oil and filters at authorized facilities, avoiding spills, and ensuring the vehicle is on a stable, level surface with the engine cool before starting work.

In some contexts, "oliechange" may be used as a brand name or generic term for automatic or do-it-yourself oil-change services offered by automotive shops and service chains.