What is a car chassis composed of?

[VonAbel]

An automobile chassis consists of four major systems: the transmission system, the running gear system, the steering system, and the braking system. The function of the car chassis is to receive power from the engine, enable the vehicle to move, and ensure that the car can operate normally according to the driver's control. The roles of each component of the car chassis are as follows: 1. Transmission system. The function of the transmission system is to transmit the engine's power to the driving wheels. Different vehicles may have slight variations in the composition of their chassis. 2. Running gear system. The running gear system supports and installs various components and assemblies of the vehicle, transmitting and bearing various loads from both the vehicle body and the ground to ensure normal operation. It mainly consists of the frame (body), axles, suspension, and wheels. 3. Steering system. The steering system ensures that the car can move in the direction selected by the driver. It primarily includes the steering control mechanism, steering gear, and steering linkage. 4. Braking system. The braking system enables the car to decelerate, stop, and remain reliably parked. The automobile braking system generally includes two independent braking systems: the service brake system and the parking brake system. Each braking system consists of brakes and brake transmission mechanisms.

[StLucia]

The chassis of a car is the entire vehicle's support system, consisting of several key components. First is the frame, which bears all the weight like a skeleton; the drivetrain is responsible for transmitting engine power to the wheels, including the transmission and drive shaft; the suspension system handles bumps, comprising shock absorbers and springs; the steering system allows you to control direction, involving the steering wheel and tie rods; the braking system ensures safe stopping, with brake discs and lines. All these parts work together to ensure the car runs smoothly, steers accurately, and stops promptly. When driving, I pay attention to the chassis's health, such as checking if the suspension is loose or leaking oil, which can prevent accidents and extend the vehicle's lifespan. Regular maintenance includes checking the brake fluid level, as it directly affects braking performance.

[ColemanAnn]

Having driven for over a decade, I consider the chassis as the foundational assembly of a car. At its core lies the suspension system, which absorbs road vibrations, making long-distance drives less fatiguing. The braking system is crucial for safety in critical moments, relying on brake discs and calipers to function. The steering system ensures responsive handling, connecting directly to the steering wheel, while the drivetrain transmits power. The frame supports the entire structure. I pay special attention to the suspension and braking systems, as they directly impact daily safety and comfort. For instance, on bumpy roads, a well-tuned suspension reduces vibration and noise; reliable brakes instill confidence during emergency stops. For maintenance, I recommend inspecting the chassis bushings every six months for signs of wear to prevent minor issues from escalating.

[VonRose]

Recalling the old cars I drove in my youth, the chassis was quite simple: a rigid frame with basic springs. Nowadays, new cars feature fully upgraded chassis with complex suspension systems to cushion impacts, electronic brake assist to automatically adjust pressure, and lighter yet stronger frames. The steering system has been enhanced with assist functions, and the drivetrain is more efficient. In the past, the ride was noticeably bumpy, but modern chassis designs ensure smooth and reliable driving. While the fundamental components remain the same, technological advancements have significantly improved handling and comfort. Regular lubrication of chassis joints helps maintain performance.