There is no need to be a mechanic of the highest class in order to simply understand that if a small car begins to growl like a tank, especially when adding a little gas, then the muffler has certain damages. Or in other words, “Suffers”. Of course, replacing the silencer, and how did you have no problem, but it is not always the muffler is very easy to find, and it is also not so cheap. Among the many domestic motorists, there will probably be a very large percentage of those for whom, it would seem, to restore the part, which is not subject to restoration, is simply a matter of honor. This article provides the entire sequence of actions that is required to repair the damaged muffler through a gas welding machine, a hammer and a piece of tin.one. Pattern. The most ordinary body tin is also suitable for repairing the muffler. Before the crime, you need to carefully evaluate the complexity of the upcoming operation, because if the muffler has a cylindrical shape, then this is easy, but if curved, it is almost impossible, and then you need to make a pattern. Be sure to be cut by your tin sheet, because those extra millimeters will simply add difficulties when welding.
To ensure the maximum strength of the seam, it is initially necessary to clean the tin to a metallic shine, and use the longitudinal seam of the muffler as a basis.
2. Point by point. Когда заблестит металл шва, то смело можно приступать к сварке. A sheet of tin initially at several points should be grabbed along the entire seam. At the same time, all special attention must be paid to the accuracy and accuracy of the fitting of the sheet, because the slightest inaccuracy will affect the inevitable way in the future.
3. The last steps. The sheet then wraps up around the muffler itself, is also welded at several points. When a sheet approaches the end, it becomes much more difficult to wrap it, and therefore pliers and hammer will help here. All visible damage to the muffler after that will become invisible, but all, the sound will continue to remind that some time ago your entire exhaust system was not in its best condition.
The most attentive should be when processing flanges. If you hold the burner for a very long time above one place, then you can just burn it through.
According to the same scheme, you can restore the exhaust pipe, because it is very willing to rust.