The so-called transfer case of a car can be understood literally: its main purpose is to distribute the power of the engine and output it to the front and rear axles. Therefore, the transfer case is actually a standard accessory in four-wheel drive models. According to the different forms of four-wheel drive, there are generally several types of transfer cases: traditional part-time four-wheel drive transfer case, full-time four-wheel drive transfer case, timely four-wheel drive transfer case, and optional four-wheel drive transfer case)
1. First, clean all components. 2. Assemble the differential, install the driven hyperbolic gear, install the driven gear bearing cover, and adjust the preload of the driven gear bearing. 3. Install the driving hyperbolic gear and oil seal seat on the bevel gear bearing seat and adjust the preload of the driving gear bearing through the gasket. 4. Install the driving hyperbolic gear and adjust the meshing clearance and imprint of the main and driven bevel gears by adjusting the gasket between the driving bevel gear bearing seat and the main reducer housing and rotating the nuts on both sides of the driven bevel gear
The BMW 520i is a mid to large-sized sedan produced by BMW. As the lowest configuration of the imported BMW 5 Series, the 520i adopts a lighter body, but the body size has not changed. To match this model, it is a 2.2-liter naturally aspirated L6 cylinder engine with a maximum power output of 170 horsepower and a peak torque of 210 Nm, with a compression ratio of up to 10.8. It can accelerate from 0 to 100 kilometers in just 9.9 seconds and a top speed of 226 kilometers per hour
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