What is the front axle structure of a car?

1 Answers
DallasFitz
07/29/25 11:43am
The front axle structure of a car consists of: front axle, kingpin, steering knuckle, brake assembly, wheel hub assembly, steering arm, and tie rod assembly. The front axle is a device that transmits various directional forces between the frame and the front wheels, as well as the resulting bending moments and torques. It is connected to the steering system via the steering knuckle, allowing the steering force output by the steering gear to be transmitted to the wheels to achieve vehicle steering. The front axle of a car not only supports the sprung mass of the front part of the vehicle and bears vertical loads but also withstands various longitudinal forces, lateral forces, and related moments. The front axle of a car can be categorized by brake type into drum brakes and disc brakes, and by brake system into air brakes and hydraulic brakes (single-leading-shoe and duo-servo types). The axle load ranges from 0.5 to 7.5 tons for micro trucks, light trucks, medium trucks, and heavy trucks.
Was this review help?
4
4
Share
More Forum Discussions

Why is there water dripping from the car chassis?

Reasons for water dripping from the car chassis: During summer, the high temperature inside the car usually requires the cooling system to be activated to lower the interior temperature. At this time, the moisture in the hot air inside the car will condense on the surface of the very cold evaporator heat-absorbing fins, and the water droplets are collected by the plastic casing of the evaporator and drained out of the car through pipes. This is a normal phenomenon. Water dripping from the muffler and exhaust pipe at the rear of the car is also normal. When gasoline is injected into the cylinder and mixed with air, it burns completely in the combustion chamber, mainly producing carbon dioxide and water. The water is discharged into the atmosphere in the form of gaseous water vapor at high temperatures. Since the muffler is located at the rear of the car where the temperature is relatively low, the water vapor will condense into liquid water when it encounters the cold. Some of this liquid water, driven by the high-speed operation of the engine and the airflow, is discharged from the exhaust pipe, resulting in the phenomenon of water dripping or even spraying from the exhaust pipe.
15
0
Share

What brand is the Buick LaCrosse transmission?

The transmission model of the Buick LaCrosse is 6T40E. The new generation LaCrosse will be equipped with a 9-speed automatic transmission, which improves fuel efficiency compared to models with the 6-speed automatic transmission. This 9-speed automatic transmission is the 9T50 model, applicable to various front-wheel-drive platform vehicles. It uses a 9-speed automatic manual transmission. Taking the 2021 Buick LaCrosse as an example, it is a mid-size car. Additional information: 1. Body dimensions: Length 5026mm, width 1866mm, height 1459mm, wheelbase 2905mm, curb weight 1535kg. 2. Powertrain: The 2021 Buick LaCrosse features a MacPherson strut front suspension and a multi-link rear suspension. It is powered by a 1.5T turbocharged engine with a maximum horsepower of 169PS, maximum torque of 250Nm, and maximum power of 124kW.
2
4
Share

What is the correct operation method for parking an automatic transmission car?

Automatic transmission car parking correct operation method is: 1. Step on the foot brake to stop the car; 2. Shift the gear from D to N; 3. Pull up the handbrake; 4. Release the foot brake, but do not turn off the power; 5. Step on the foot brake again, shift the gear from N to P; 6. Release the foot brake, press the start-stop button to turn off the power. The starting method for automatic transmission is: 1. Without stepping on the foot brake, press the start button twice to let the car's computer system begin self-checking, for at least 6 seconds or more; 2. Step on the foot brake, press the start-stop button to ignite; 3. Release the foot brake, warm up the car in place; 4. Step on the foot brake, release the handbrake, shift the gear from P to D; 5. Slowly release the foot brake to start; 6. According to the road conditions, step on the accelerator smoothly to speed up.
8
5
Share

How to Open the Battery Cover of a Malibu?

The method to open the battery cover of a Malibu: There are clips on both sides inside the battery box; press them toward the center of the battery and pull outward to open. The Malibu is a mid-size sedan under the Chevrolet brand, with dimensions of 4855mm in length, 1854mm in width, and 1476mm in height, and a wheelbase of 2737mm. In terms of power, the Malibu is equipped with a 1.5T turbocharged engine, delivering a maximum power of 170 horsepower and a maximum torque of 250.3 Nm, paired with a 6-speed automatic transmission. Regarding features, except for the top trim which includes front and rear head airbags, all other trims come standard with mainstream safety configurations. Additionally, features such as a power sunroof, rear parking sensors, a trip computer display, front and rear center armrests, rear cup holders, automatic air conditioning, automatic headlights, heated side mirrors, and an engine start-stop system are standard across the lineup.
8
3
Share

What are the exterior differences between generations of the Audi A6L?

The exterior differences are as follows: 1. Headlights: The new Audi A6L has adjustments in details such as the front headlights, rear taillights, front grille, and exhaust pipes. The latest Audi A6L retains the classic hexagonal grille, giving it a grand and stable appearance. The grille and lower lip of the bumper are designed in a layered manner, enhancing the structured look of the front face. The new Audi A6L features an all-new metal grille and redesigned front and rear bumper shapes. 2. Chassis: There are differences in the chassis between the two generations, the most noticeable being the composition of the lower control arm. The biggest change is that the bracket of the upper control arm is now directly integrated into the cast tower top, whereas the older A6L had an additional separate bracket. The anti-roll bar link has also undergone changes in shape, mounting method, and material. Previously, the anti-roll bar link resembled an ear in shape, made of aluminum alloy, and was used to fix the anti-roll bar to the lower control arm. The new A6L uses a column-shaped anti-roll bar link made of lighter resin material.
15
3
Share

Where is the chassis number stamping located on the Mercedes-Benz S350?

The VIN (Vehicle Identification Number) for the Mercedes-Benz S350 is located under the hood. Below is an introduction to related Mercedes-Benz information: 1. Mercedes-Benz SAM: The control unit, also known as the Signal Acquisition and Actuation Module. If the SAM malfunctions, components such as headlights, turn signals, and wipers cannot be controlled while driving, posing a safety hazard. 2. Mercedes-Benz Introduction: A German automotive brand, considered one of the most successful premium car brands in the world. It is renowned for its perfect technical standards, rigorous quality benchmarks, continuous innovation, and a series of classic coupe models. The Mercedes three-pointed star has become one of the most famous automotive and brand logos globally. Mercedes-Benz cars not only offer unparalleled quality but also a comprehensive range of models, currently producing mainly A-Class (compact cars), C-Class (mid-range sedans and coupes), E-Class (luxury sedans and coupes), S-Class (premium sedans and coupes), and G-Class (SUV off-road vehicles).
7
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.