Checking all of your car’s key fluids takes less than ten minutes with the engine cold or recently cooled. The six fluids to check are engine oil, coolant, brake fluid, power steering fluid, ...

At a time when vehicle diagnostics can demand a computer science degree, being able to get some insight into your engine health with nothing but a rag and a bit of know-how can be downright refreshing ...

Engine oil color reveals its age, contamination level, and operating condition. Fresh oil is amber or light brown. Oil d ...