Cambio de sellos de válvulas sin quitar cabeza del motor | Solución al humo azul por el escape |

How to change engine valve stem oil seals, change all 12 seals to fix the blue exhaust smoke problem, and change seals with a valve spring compressor without removing the engine head. ►Become a channel member to enjoy benefits!◄    / @d21pickup   ►Subscribe!◄ Facebook:   / d21hardbodypickup   Instagram: www.instagram.com/d21pickup