What are the four major systems that make up a car chassis?
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The four major systems that make up a car chassis are: 1. Transmission system; 2. Running system; 3. Braking system; 4. Steering system. The function of the car chassis is to support and install the car engine and its various component assemblies, form the overall shape of the car, and receive the power generated by the engine to ensure normal driving when the car moves. The daily maintenance of the car chassis includes: 1. Good lubrication and proper adjustment of the wheel hub bearings; 2. Proper adjustment of the front wheel toe-in, good lubrication and proper adjustment of the wheel hub bearings; 3. Pay attention to changes in the front and rear axles and the frame; 4. Pay attention to the working condition of the clutch; 5. Proper adjustment of the brake clearance; 6. Pay attention to whether the leaf springs are damaged.