While fresh oil is generally transparent and amber colored, black oil may mean it's time for a replacement and frothy oil can ...

How well does vegetable oil work as a motor oil substitute? The difference in viscosity between these two oils reveals why ...

Drivers tend to assume that if the oil was changed “recently,” the engine is safe, but the real story is what happened during ...

The oil in your engine can evaporate, but only under very specific — and extreme — operating conditions. These conditions occur when your engine is operating at very high temperatures, which can ...

API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...

A recent GM safety recall addressing potential manufacturing defects impacting the naturally aspirated 6.2L V8 L87 gasoline engine dictates that certain engines should now use 0W-40 oil, rather than ...

If you work on cars or have driven one for long enough, you're probably aware that our vehicles depend on a range of different automotive fluids to help them run, regardless of whether the vehicle is ...

That’s when things go sideways, and fast. These aren’t rare, freak-accident scenarios. They’re common maintenance mistakes that quietly sabotage your car until it's either a money pit or a paperweight ...

Curious to see the damage caused by running on low oil? This teardown of a blown BMW B48 engine shows what goes wrong and the ...

Quick-lube oil changes use $3 filters without anti-drainback valves, causing dry starts that grind metal and destroy engines ...