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Many driver friends report that they hear a rattling sound from the four wheels when the vehicle is not started, but the ABS fault light stays on while driving, especially in winter. What should you do if you encounter this situation? The editor will share with you some common ABS failure cases and maintenance precautions.
Composition of trailer braking system
Trailer brakes are generally air brakes, and the air source comes from the tractor. First, let’s take a look at the simplified installation diagram of the trailer’s gas circuit. As can be seen from the figure below, the gas circuit of the semi-trailer is not complicated. There are three main parts: emergency relay valve, trailer ABS and brake chamber.
In the case where the road does not leak due to improper sealing, most of the failures come from these three major parts. Of course, the problem is all-round, and all components related to air brakes will have varying degrees of impact, so installation should not be taken lightly.
Air circuit installation requirements
In addition to the three major parts, the installation of the air circuit seems to be very basic, but if it is not done properly, the vehicle will be unsatisfactory. There should be no lengthy or unnecessary entanglements in the gas circuit connection. A qualified gas circuit is generally simple and clear.
In addition, the inner diameter of the air pipe and joints in the air path must also meet the standard. If not, the braking effect will be poor. The air circuit completed according to the requirements not only has superior braking performance and lower failure rate, but also facilitates future maintenance and after-sales service, killing multiple birds with one stone.
