The Basics of Engine Oil3 lesson(s)
Automotive & Vehicles · Beginner
Engine Oil and Oil Changes
By admin · Everything about the lifeblood of your engine: how oil protects your motor, how to choose the right oil and filter, and a step-by-step guide to a clean, safe oil change at home.
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About this course
Engine oil is the single most important fluid in your car, and changing it is the maintenance task that pays the biggest dividends. This classroom explains how oil lubricates, cleans, and cools the engine, how to read oil labels so you buy the right product, and how to perform a complete oil and filter change safely at home with simple tools. You will understand why intervals matter, what viscosity numbers mean, and how to dispose of used oil responsibly.