Dongfeng "a pipe" review two major security risks

  Tip: If you are concerned about this problem in your car, please call Dongfeng Commercial Vehicle Co., Ltd. for customer service at 0719-8885555 for advice.

[Truck House Original] The discussion on Dongfeng Tianlong's “one pipe” has been going on for more than two months. There are many people who are concerned and there are many misunderstandings and irrational places in the discussion process. For this reason, we will reorganize the "one tube" incident here and make an explanation.

Dongfeng "A Tube" Review Two Major Safety Risks

●   first part

The symptoms of "one tube" we discuss mainly focus on two major aspects:
First, there is water in the gas path;
Second, there is a delay in emergency braking.

With regard to these two symptoms, we simply do the following:

Q: What are the effects of water on the airways?
A: 1 Valve body rust, brake performance is affected;
2 In winter, the valve body freezes and the vehicle brakes fail. This situation will appear more clearly in the northern region.

Q: Where are the above-mentioned hidden troubles in the air problems?
Answer: In areas with high air humidity and large temperature difference between day and night, it will be more prominent. For example, users in Sichuan, Qinghai, and other regions have problems in responding to gas in the air.

Q: Why didn't I feel the brake delay when my Denon 6x4 was lightweight?
Answer: First of all, what is the emergency brake? Emergency braking is to brake the brakes directly and stop the car in the shortest possible time. In normal driving, there is little emergency braking, so braking delays are generally not felt. But in an emergency, this may be the time to save lives.

Q: What are the areas with high incidence of delayed braking?
Answer: Under the following two conditions will be very obvious: 1, mountainous areas, hilly areas, especially downhill sections; 2, often traffic jams, small vehicle spacing, but also need to prevent other vehicles to jump the queue, need frequent start, brake.
We understand that in Shanxi, Shaanxi, Hebei, and other regions, the pull of coal and iron-pulverized vehicles reflects the problems of Tianlong Brake.

●   The second part answers frequently asked questions

Q: Do all Dongfeng Windmills have a "one pipe" problem?
A: No, we once again stressed that at the moment we have found some problems with the lightweight Tianlong 6X4.

Q: Is there any problem with the new Dragon?
A: The new Tianlongs that have come into contact with them have all changed. No "one tube" design has been found.

Q: What is the attitude of Dongfeng?
Answer: Do not recognize, keep silent.

Q: How can I confirm whether my Dongfeng Tianlong is a pipe design?
A: Look here, "Judgment is not a "tube" to see the back of a gas reservoir."

Q: My car is a tube design. What do I need to do?
A: First, pay attention to checking the drying tube and shorten the replacement time; drive carefully, predict driving, and reduce emergency braking;
Second, the AQSIQ car complaint online address: http://
Third, call the Dongfeng service station in your area.

Q: Is there a conversion plan?
A: Yes, but it needs to be reminded that the above modification is only for the actual situation of the car. It can be used as a reference for reference, but it must not be blindly imitated and privately refitted! The proposed conversion is completed by the nearest Dongfeng service station! No one is responsible for the problems caused by the conversion!

Q: What next?
A: Keep on paying attention to this incident and what to do.

●   the third part   "One Tube" Related Technical Analysis

Re-emphasize that we are targeting Dongfeng Tianlong 6x4 lightweight traction models. The gas storage tube adopts the “one pipe” connection method. Other models are not included in our discussion, please do not confuse it!

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