How to disassemble the joint of heating water pipe in mazda 2?

Mazda 2's air conditioning pipe has no screws, but an internal clamp. Insert the tube with a special tool, then pull the tubing back and forth and slowly pull it out. According to relevant public information, the brand-new mazda 2 is produced by Changan Mazda Automobile Co., Ltd., which is exquisite and dynamic. Through the combination of resolute external modeling and local soft elements, it won the love of consumers all over the world as soon as it appeared.