Car mufflers are mainly used to reduce the noise generated by car engines during operation. It is located at the bottom of the car and is not noticed by us in daily situations. However, when 4 attentive users S inspect their cars in the store, they sometimes notice it. The strange muffler looks like a large iron can, which can withstand various road water accumulation, rain and snow, especially in the winter snow road surface in Northeast China. Will these cause rust on the car muffler?
Why is there rust color on the muffler? Is it rust or normal?
Whether it rusts or not, you can tell at a glance!
Today, we will teach you the techniques for identifying whether a muffler is rusted.
The appearance color of the muffler is normal
For example, the color changes of different materials under different temperature conditions, and some so-called corrosion should be the normal physical oxidation characteristics of materials in high-temperature environments.
(Example of color changes of different materials at different temperatures)
For example, the color change of the muffler in the following picture is not corrosion, but metal high-temperature oxidation, which is a normal characteristic of metal changes.
The color change of the front muffler and the middle connecting pipe is normal. That is to say, metal undergoes high-temperature oxidation.
