Can the Rear Seat Vibration in BYD Song Plus DM-i Be Resolved?
2 Answers
BYD Song Plus DM-i rear seat vibration is a manufacturing issue that cannot be resolved. Below is a detailed introduction to the BYD Song Plus DM-i: 1. Exterior: The front fascia features a large-sized grille with silver chrome trim. The side profile adopts flowing line designs, presenting a dynamic and stylish overall appearance. 2. Dimensions: The BYD Song Plus DM-i measures 4705mm in length, 1890mm in width, and 1680mm in height, with a wheelbase of 2765mm. 3. Powertrain: Equipped with a dedicated 1.5L Xiaoyun plug-in hybrid engine, delivering a maximum power of 110 horsepower and peak torque of 135Nm. For the battery, the BYD Song Plus DM-i utilizes Blade Battery technology, offering two versions with pure electric ranges of 51km or 110km.
Last time I worked on my friend's Song Plus DMI, I encountered the rear vibration issue and spent quite some time figuring out the cause. The most common reason for this is improper tire dynamic balancing—missing wheel weights or incorrect tire pressure can easily cause vibrations. Hybrid cars have an additional quirk: if the engine speed is unstable during startup, the vibration can be particularly noticeable. The solution is straightforward. First, take it to a professional shop for a four-wheel dynamic balance, and remember to clean even the mud inside the wheel rims. Also, ask the technician to update the transmission software to the latest version—post-upgrade, the engine engagement is much smoother now. If the vibration persists, check the rear suspension for oil leaks, and tighten any loose seat buckles yourself with a wrench. As a last resort, adding a soft seat cushion can solve the problem for just around a hundred bucks.