In order to accurately explore the transmission rattling phenomenon and the influence of different factors on the dynamic characteristics of the gear rattling of the dual-clutch transmission under the condition of preselected gears. this paper establishes the gear rattling dynamics model of the transmission with the 1st gear without preselection and the preselected 4th gear. respectiv... https://www.lockdownsecuritycanada.shop/product-category/rear-seat-video/