End silencer: common defects and their signs

1. Mechanical damages or corrosion.
   • Strange sounds are heard from under the car bottom during driving.
   • Vehicle dynamics worsened.
2. Soiling.
   • Engine power lowered.
   • The end silencer gets extremely hot.
   • Emission of exhaust gases from the end silencer is characterized by loud sound.
   • The engine works irregularly at idle.
   • Smell of exhaust gases appeared in the passenger compartment.
3. Damaged fasteners
   • When driving, the silencer can be heard knocking against the car body.
   • The component significantly lowered which is seen with the naked eye.

How to repair or replace end silencer?

If defects are insignificant they can be removed with the help of repair. For example you can restore surface integrity with the help of welding or replace worn out fasteners with new ones. If the end silencer is clogged with soot it should be cleaned. These actions should be entrusted to specialists because it is usually difficult to estimate degree and location of damages while carrying out repair works takes special skills and equipment.

If diagnostics showed significant damages then you should replace the broken component. You can do this by yourself because replacement process is rather easy. In order to replace the broken end silencer perform the following actions:

1. Put the car over a service pit or a platform, provide its immobility.
2. Wait for the exhaust system to cool down.
3. Unscrew the end silencer off the middle part of the exhaust delivery pipe, disconnect it from fixation elements which connect it to the car body. Demount sealing elements if necessary.
4. Install a new component having applied special sealing compound to connection spots. It is recommended to install new fixations and seals together with the end silencer.