The car drive belt is responsible for all parts of the movement, if it bad the car can not move. Because the engine is driven by a belt drive all kinds of auxiliary mechanism, such as an air conditioner compressor, power steering pump, alternator, etc., if the belt is broken, or there has been slippage, will be related to the loss of the auxiliary mechanism, or its performance decline, thereby affecting the normal use of the car. Therefore, it is necessary to check the drive belt regularly using Auto Diagnostic Tool.

Belt inspection method is very simple. First, check the belt tension, select the longest unsupported belt span intermediate applying moderate pressure with your thumb, if the reduction is about 10 mm in the belt, that the belt tension is just right. If the belt tension is too large, or too loose, it could result in slippery tooth, transmission is incomplete. And adjust the belt too tight, so that the belt is easy to tensile deformation, but also accelerate the pulley and bearing wear. For this reason, it should be related to the adjusting nut or bolt loosen the belt tension adjustment to the best, if you are not sure the best, you can use the Launch X431 V+ Pro3 or Launch X431 CResetter II tool check the belt the best condition.

In addition, in daily inspection should pay special attention to the wear of the belt. Because if the belt wear is serious, it will cause the belt and the belt pulley contact area to drop sharply. At this time, as long as a pressure belt, the belt is deep down to the groove of the belt pulley.

Also, if you find the belt surface cracks and spalling cracks appear phenomena such as sound or belt slipping occurs, indicating the belt may be broken and must be replaced immediately. If not promptly replaced, the belt once in a moving way break, the vehicle will not be normal driving.

In actual use, check and replace the automobile belts are very complex, generally professionals using the Autoboss V30 SPX or Autel Maxidiag Elite MD702 tool operation. Moreover, because the price of the belt is not particularly expensive, often change in time before the arrival of the service life of the belt is a common choice.

Source: http://www.focalobd.com/blog/automotive-transmission-belt-regularly-checked-guide/

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