Main shaft: Additionally it is referred to as an output shaft. It provides required torque on the car. It's ridges and tooth Therefore the gears can transfer smoothly. Apa masalah nya? adakah GB saya dah out? and kalau GB rosak, berbaloi baiki atau cari kat Halfcut GB lain (macam mana https://juliushhecz.blogsumer.com/33018865/gearbox-auto-an-overview