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What are the major systems that make up a car chassis?

3 Answers
OwenRose
09/07/25 5:29am
The car chassis is composed of the following systems: 1. The transmission system. The function of the transmission system is to transmit the power from the engine to the driving wheels. Different cars may have slight variations in the composition of their chassis. 2. The running gear system. The function of the running gear system is to support and install various component assemblies of the car, transmit and withstand various loads from both the vehicle and the ground, ensuring the normal operation of the car. It mainly consists of the frame, axle, suspension, and wheels. 3. The steering system. The function of the steering system is to ensure the car can move in the direction selected by the driver. It mainly consists of the steering control mechanism, steering gear, and steering linkage. 4. The braking system. The function of the braking system is to slow down the car, bring it to a stop, and ensure reliable parking. The car braking system generally includes two independent braking systems: the service braking system and the parking braking system, each of which includes brakes and braking transmission mechanisms.
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AlexaLee
09/19/25 4:45am
I see that a car's chassis is mainly composed of four major systems. The transmission system is responsible for transferring the engine's power to the drive wheels, including components like the gearbox and drive shaft. Without it, the car wouldn't move. The running system involves the suspension and wheels, which absorb road shocks to ensure a smooth ride. A common issue is bumpiness caused by worn-out shock absorbers. The steering system connects the steering wheel to the front wheels to control direction and turns. If it gets stuck, it can be very dangerous. The braking system includes brake pads and hydraulic devices, essential for stopping and slowing down. It's the part I check most often during repairs because brake failures lead to many accidents. Chassis problems frequently occur on bumpy rural roads. I recommend regular wheel alignment and tire replacement to prevent major issues and extend the vehicle's lifespan.
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Cook
11/02/25 5:09am
In my driving experience, a car's chassis consists of four crucial systems. The powertrain system manages power transmission, including differential adjustments for drive; the running gear system ensures stable movement, with wheels and suspension absorbing vibrations; the steering system enables flexible directional changes; and the braking system is responsible for safe stopping. I believe the entire chassis is vital, especially during long-distance driving—neglecting the running gear system with cracked suspension leads to severe bumpiness, while transmission faults cause gear-shifting issues. Personally, I pay attention to unusual chassis noises; a rattling sound might indicate loose components. After car washes, I inspect chassis bolts to prevent rust from affecting overall performance. These small details can save on repair costs.
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