Minyak gearbox yang kotor biasanya menjadi pekat dan mengandungi habuk besi. Habuk besi ini terhasil daripada geseran antara gigi-gigi gear yang berlaku setiap kali memandu. Guide transmission cars and trucks depend entirely on the driving force's gear change timing and provide increased perceived Handle.  Also called slushboxes or conventional automatics, https://paxtonzhhhg.is-blog.com/40664518/5-simple-techniques-for-gearbox-auto