33K reactions · 66 shares | This video shows the transformation of...

Explaining a car on Instagram: "Follow (us) @ExplainingACar to learn something NEW about vehicles every day 🚗💫 Resurfacing a cylinder head is the process of machining the head’s mating surface — the area that seals against the engine block — to restore perfect flatness and ensure a tight seal with the head gasket. Over time, heat cycles and pressure can warp or damage this surface, leading to compression loss, coolant leaks, or gasket failure. The resurfacing procedure involves removing a thin