Differential assembly of transfer case introduce

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)

Installation method for differential assembly of 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

BMW 740Li introduce

The BMW 740Li is a high-end luxury sedan produced by BMW Germany. It belongs to the BMW 7 Series and is only produced locally in Germany. The new 740Li is equipped with a 4.0-liter V8 engine, which is an upgrade from the old 3.6-liter V8 engine. After a minor facelift, the new 7 Series has a more friendly appearance. In addition to using BMW's Double VANOS dual camshaft variable valve timing system, the new engine also uses a continuously adjustable Valvetronic electronic valve drive mechanism, significantly reducing fuel consumption and emissions. The maximum power of the engine is 225 kW, and the maximum torque is 390 Nm. The new i-drive system has also been upgraded to accelerate from stationary to 100 km/h in just 4.6 seconds, making operation faster and more convenient. However, it is still the most complex system among all BMW models