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What Are the Functions of the Four Major Systems in an Automotive Chassis?

2 Answers

VanBeau

07/28/25 10:54pm

The functions of the various components of an automotive chassis are as follows: 1. Transmission System The function of the transmission system is to transfer the engine's power to the driving wheels. Different vehicles have slightly different chassis compositions; for example, in trucks and some passenger cars, the chassis typically consists of a clutch, manual transmission, universal joint drive, and drive axle. 2. Running Gear System The function of the running gear system is to support and install the various assemblies of the vehicle, transmit and withstand loads both on and off the vehicle, ensuring normal operation. 3. Steering System The function of the steering system is to ensure the vehicle can travel in the direction selected by the driver. It mainly consists of the steering control mechanism, steering gear, and steering linkage. Modern vehicles commonly use power steering systems. 4. Braking System The function of the braking system is to decelerate the vehicle, bring it to a stop, and ensure reliable parking. The automotive braking system generally includes two independent braking systems: the service braking system and the parking braking system. Each braking system includes brakes and braking transmission mechanisms. Modern vehicles' service braking systems are usually equipped with an Anti-lock Braking System (ABS).

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MacKhloe

08/12/25 3:21am

I usually do a lot of car repairs and have seen issues with those chassis systems affecting driving. The steering system is what turns the front wheels when you move the steering wheel, controlling the direction to keep the car from veering off course. If this fails, the car can swerve dangerously. The braking system is even more critical—stepping on the brake pedal uses friction to slow down and stop the car, and it's essential for survival in emergencies. The suspension system acts like the car's springs, absorbing bumps on the road to make the ride smoother and more comfortable. The drivetrain transfers the engine's power to the wheels, and the car's ability to move relies entirely on this power transmission. If these systems fail, driving becomes difficult and fuel efficiency drops. So, regularly changing the power steering fluid, checking the brake pads, and maintaining the shock absorbers and drive shaft can extend the car's lifespan and ensure safe driving.

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