Exhaust Hanger
The exhaust hanger, also called exhaust support, mounts the exhaust pipes and muffler under the car. Most hangers are made of rubber to absorb vibrations although some are made of aluminum and steel. Hangers can be trimmed or bent to fit perfectly. They support and protect the exhaust pipes in the vehicle underside. In addition, they prevent vibration and noise from entering the cabin.
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There are universal and factory specific hangers. Most vehicles use universal style hangers. The most common type of the hanger is the U bolt and straphanger. Modern vehicles hanger can be replaced easily. They consist of rubber isolator bushing and two pegs. The pegs look like arrows, with the tip passing through isolators. The isolators are used to suspend the exhaust from the chassis and absorb vibrations. This ensures that the exhaust system is quite and doesn’t rattle.
Hangers vary in shapes, material and sizes. New car models use rubber isolator hangers. These hangers are not only readily available but also easy to replace. You can easily find universal hanger although some manufacturer provides model and brand specific hangers. A typical universal exhaust hanger has several holes, a single rubber strip and metal bracket. When you decide to replace a hanger, it is advisable also to replace the clamp.
If one or more hangers have issues, the exhaust system will also have problems. This can cause discomfort in the cabin. The hangers look like a rubber band; hence it easy to notice when they are broken. Some major sign of a bad hanger include:
Exhaust hanging low
One of the common sign of a bad exhaust hanger is an exhaust that hangs visibly lower than normal underneath the vehicle. The hangers are usually made of rubbers which can crack or break. If the hanger breaks, the exhaust will hang noticeably lower than usual due to lack of support.
Loud Noises
Another telltale sign is excessively noisy exhaust. Exhaust pipes can get damaged due to lack of support leading to loud sounds from underneath the vehicle. The sound gets louder during acceleration and when the engine is cold.
Poor Performance
Exhaust hangers problems can cause engine issues. Broken hangers add stress on exhausts pipes which can cause them to break and cause exhaust leakage. A leaking exhaust will not only be excessively noisy but can cause a decrease in acceleration, power and fuel efficiency.
While exhaust hangers are simple parts of the exhaust system, they play a crucial role in securing and dampening vibrations of the system. If you notice any issues, do not hesitate to contact your technician.
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Read more about your car’s exhaust system: