RTX said on Tuesday its engine making subsidiary Pratt & Whitney has developed an additive manufacturing repair process for ...

Metal shavings in oil are tiny fragments that come from moving engine parts. Over time, even under normal conditions, ...

Chances are, no one is intentionally adding water to your fill-up. However, there could be many other ingredients in there.

Coolant needs changing because chemicals in the coolant break down and become less effective over time. This use ends up ...