rear axle assy introduce

The rear axle refers to a bridge that connects two rear wheels. The rear axle of a rear wheel drive vehicle is called the drive axle, while the rear axle of a non rear wheel drive vehicle is called the support axle. The rear suspension assembly often appears in passenger cars, A component generally composed of springs, shock absorbers, connecting rods, etc., which serves to transmit and support the excitation between the tire and the vehicle body. It is generally divided into three types of independent suspensions (link type), semi independent suspensions (torsion beam type), and non independent suspensions (axle or axle type). The rear axle refers to a bridge that connects two rear wheels. The rear axle of a rear wheel drive vehicle is called the drive axle, and the rear axle of a non rear wheel drive vehicle is called the support axle, The rear suspension assembly refers to the independent suspension system used to support the rear body of a vehicle)

Installation method of rear axle assembly/front axle assembly

1. Unscrew the oil drain plug at the bottom of the axle housing and drain the lubricating oil from the axle housing; Remove the connecting bolts between the flange of the driving bevel gear and the transmission shaft; 2. Disassembly of the half shaft. Before disassembly, cover the front wheels with a wooden cover and release the parking brake. When disassembling, loosen and unscrew all half shaft fastening nuts and washers; Gently strike the center of the rear end of the half shaft 2 to 3 times with a copper hammer to separate the half shaft flange surface from the hub connection surface. Then, pull the half shaft flange by hand to extract the half shaft. Note that when the spline part of the half shaft is about to pass through the oil seal, hold the half shaft rod with your hand and slowly rotate the half shaft to move it out in parallel, so as not to damage the half shaft oil seal and prevent it from falling and injuring people; 3. Disassembly of the main reducer assembly: Remove the rear brake hose and tee joint; Using a small car, support the gearbox housing, remove the 12 bolts connecting the gearbox housing to the rear axle, and remove the gearbox assembly from the axle housing; Disconnect the brake chamber hose and the connection between the pipelines, remove the brake chamber, and remove the adjustment arm assembly; 4. Remove the wheel hub adjustment nut locking plate fastening screw, take out the locking plate, and use a special sleeve to remove the wheel hub adjustment nut; Slightly rotate the wheel hub and brake drum assembly, use a puller to pull the wheel hub outward, and lightly tap on the brake drum to loosen the inner ring of the outer bearing. After the inner ring of the outer bearing is loose, remove the wheel hub and brake drum assembly. However, at this time, be careful not to damage or injure people by falling, and also protect the inner ring of the outer bearing from falling; 5. Use a puller to remove the inner ring assembly of the inner bearing and the oil seal seat ring assembly; Use a return spring disassembly tool to remove the brake return spring and remove the camshaft; Use a wrench to remove the fastening bolts of the brake base plate, remove the brake base plate with shoes and dust cover assembly; Remove the brake chamber bracket and the axle housing assembly; 6. Finally, the reverse order of installation and disassembly is sufficient

Volvo XC40 introduce

The Volvo XC40 is the first model produced by Volvo Cars based on advanced CMA basic module architecture. It is the first compact SUV in Volvo Cars. At the 2018 Beijing International Auto Show, Volvo Cars unveiled three new SUV product matrices for the world: the XC90. The all-new XC60 and XC40. The XC40 T5 plug-in hybrid version is the world's first public appearance. The Volvo XC40 has comprehensively improved in design, technology, and driving control, Its appearance adopts the latest design language, with comprehensive adjustments to the height and width of the body. The interior space incorporates numerous humanized designs and is equipped with the Pilot Assist system, the new generation City Safety urban safety system Sensus intelligent in car interaction system and other security, connectivity, and information entertainment technologies. The Volvo XC40 model was awarded the 2018 European Car of the Year title. On April 16, 2019, the all-new Volvo XC40 was pre-sale at the Shanghai Auto Show