Deep cleaning an off-road 4x4 Jeep, including underside and engine bay cleaning, and how to wash a very dirty car.

With the C5 Corvette engine away for rebuilding, the empty engine bay creates an ideal opportunity for a thorough cleaning.

We may receive a commission on purchases made from links. The engine bay under the hood is one of the dirtiest parts of a daily-driven car. But it's also one of the most neglected places to clean.