Symptoms of a Bad or Failing Exhaust System Hanger

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The exhaust system hangers, also known as exhaust supports, are the mounts that are used to secure and support the exhaust pipes to the underside of the vehicle. The exhaust hangers are usually made of rubber to absorb vibrations from the engine and to allow for flex for the exhaust to move as the vehicle travels. They play a key role in properly securing the exhaust and preventing noise and vibration in the cabin. When one or more of the exhaust system hangers has an issue, it can cause problems with the exhaust system and can compromise cabin comfort. Usually bad or failing exhaust hangers will produce a few symptoms that can alert the vehicle of a potential issue.

1. Exhaust hangs visibly low

One of the first symptoms of a problem with an exhaust hanger is an exhaust that hangs lower than normal. The exhaust system hangers are made of rubber, which can dry out, crack, and break over time. If an exhaust hanger breaks, it can cause the vehicle’s exhaust pipes to hang visibly low, underneath the vehicle, from lack of support.

2. Excessively loud exhaust making hissing sounds

Another symptom of a problem of a possible problem with an exhaust hanger is an excessively loud exhaust. If any of the exhaust pipes break or crack from lack of support, an exhaust leak can be produced. The vehicle may produce a hissing or tapping sound from underneath the vehicle that may be more pronounced when the engine is cold and during acceleration.

3. Decrease in power, acceleration, and fuel efficiency

Another symptom of a possible problem from exhaust hangers are engine performance issues. If any of the exhaust hangers break or fail, they can place additional stress on the vehicle’s exhaust pipes, which can cause them to break or crack. Broken or cracked exhaust pipes will create an exhaust leak, which if large enough, will not only produce excessive noise, but will also cause a reduction in power, acceleration, and even fuel efficiency.

Exhaust system hangers are a simple component, however, they play an important role in securing and dampening the vibrations of the vehicle’s exhaust system. If you suspect that one or more of your vehicle’s exhaust hangers may be having an issue, have the vehicle inspected by a professional technician, such as one from YourMechanic, to determine if your vehicle needs an exhaust hanger replacement.


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Michael

15 years of experience
518 reviews
Michael
15 years of experience
Mercedes-Benz GL450 - Brake Pads Replacement (Rear) - Atlanta, Georgia
Micheal was punctual and friendly. Work was completed within promised time. Will definitely use again.
Volvo S80 - Brake Pads Replacement (Front) - Roswell, Georgia
Michael was SUPER QUICK with doing my brake and rotors. Great communication throughout the whole process. Will always recommend

Kenneth

19 years of experience
509 reviews
Kenneth
19 years of experience
Toyota Sequoia - Brake Pads Replacement (Front) - Newport Beach, California
Kenneth did a great job and very knowledgeable. He has a great attitude and I will for sure be using him again.

Chuy

13 years of experience
129 reviews
Chuy
13 years of experience
Honda Civic - Brake Pads Replacement (Front, Rear) - Cicero, Illinois
Excellent work on doing the breaks for my car and the break and steering system flush I’ll definitely recommend and take into consideration for chuy’s work whenever I need a fix on my car

Richard

16 years of experience
72 reviews
Richard
16 years of experience
BMW 328i - Brake Pads Replacement (Rear) - Dublin, California
Richard was an outstanding mechanic. After he arrived, the first thing he did after taking the initial pictures of the car is an assessment into what work was asked. He quickly verified that I did not need brake fluid and my front brakes even-though it affects his personal commitments and time, which I think is highly appreciate and thorough professional. He was detailed oriented - took time to make sure that all the issue are fixed. He paid attention to detail in overall car assessment- he goes above and beyond. He was also teaching me through the process which I found highly educational and appreciate him providing the information ensuring and making me comfortable what he was doing and explaining patiently all the questions that was thrown at him. When he works - you know he's highly skilled and experienced and knows his stuff. He is highly experienced. He is a "Master" mechanic in true sense :)

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