Installation of Buick Excelle Timing Belt

1. First remove the engine lower guard plate, as shown in the figure.

2. Then remove the exposed generator belt, as shown in the figure.

3. If you see the situation after removing the belt from the bottom, as shown in the figure.

4. Then remove the engine crankshaft output wheel next to the oil filter, as shown in the figure.

5. Then remove the expansion box, as shown in the figure.

6. Then fix the triangular bracket on the removed engine end face, as shown in the figure.

7. Then remove the timing belt protective cover, as shown in the figure.

8. Then remove the rear guard to expose the timing gear and the brown toothed timing belt, as shown in the figure.

9. Finally, put on a new belt, as shown in the figure.

Advantages and disadvantages of timing system:

The transmission part of timing system is divided into timing chain and timing belt, and many people care which transmission form is better.

The timing belt has a long history in the engine, with mature technology, low cost and low noise, but it needs regular inspection and maintenance, and generally needs to be replaced after 55438+ 10,000 kilometers. Timing chain has obvious advantages such as compact structure, high transmission power, high reliability, wear resistance and life-long maintenance-free, but compared with traditional timing belt, its noise is generally slightly higher.

But nothing is absolute. With the development of technology, some cars adopt toothed silent chain, and its noise is even lower than that of synchronous belt. It is believed that the widespread use of this timing chain will bring more convenience to the majority of automobile users.

Toothed silent chain

Common timing chains are mainly divided into sleeve roller chains and toothed chains. Among them, the roller chain is influenced by its innate structure, the rotating noise will be more obvious than that of synchronous belt, and the transmission resistance and inertia will be correspondingly greater.

The so-called "silent chain" is designed with a toothed structure, with softer teeth, less impact and smoother operation. In addition, it has no chain roller structure that will produce noise, so it is superior to the traditional synchronous belt in noise level performance.

Refer to Baidu Encyclopedia-Timing Belt for the above contents.