Latest Muffler Repair Questions
- Can you help me pinpoint my vacuum leak on a 1999 Chevy 1500 4x4 5.3l (silverado+z71)?So i didnt see any cracked hoses or hear any hissing noise (muffler to loud to hear them i think)
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Asked by CSsnJosh on Tue, 02/23/2010 - 08:11
- 1999 Yukon, 138,000 miles. After I turn it off, about 20 minutes later, the muffler makes a pop sound. What could be causing this?
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Asked by simpson1212 on Sun, 12/20/2009 - 21:12
- I have a 2000 Dodge Durango and there's a noise when I drive that sounds like the muffler is out but it's not and I can only hear it while driving and not outside the car. I just got new brakes and still hear it... HELP!
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Asked by pmcgee4251 on Mon, 11/16/2009 - 18:35
- i have a chevrolet trailblazer 02 lt. the muffler rattles at idle when i firts start the engine, it comes and goes
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Asked by otoman28 on Thu, 10/08/2009 - 19:47
- Is it legal to run a 1988 honda accord LX-i with out a cat back and if so would that cause any problems? also i am wanting to run 2 inch straight pipe with a 3A Racing muffler would that hurt the car or motor at all?
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Asked by 07christopherphillips on Fri, 09/25/2009 - 14:52
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Online Auto Repair Manuals - Muffler Repair
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Information
What does a muffler do?
A muffler reduces noise from the engine and is typically installed along the exhaust pipe of a vehicle. The tubes and chambers of a muffler reflect sound waves produced by the engine. By adding two opposite sound waves together, the waves cancel each other out, thereby creating less sound.
Why is my muffler making a loud noise?
If the muffler is making a loud noise, like a hissing or popping sound, the muffler is probably worn out and needs to be replaced. Lots of short trips during cold weather could leave condensation in the exhaust system and cause corrosion. Also, over time small holes and exhaust leaks can develop, or cracked or damaged pipes can occur. Even very small amounts of carbon monoxide that can escape into the passenger compartment from leaks are extremely dangerous.
What are my options?
A vehicle can be taken to an auto repair shop. An owner may also be able to diagnose what is causing the problem, but caution is advised since carbon monoxide is dangerous. Some automotive websites offer free DIY diagnostic or repair instructions, and other sites advertise services and sell parts. There are service manuals and how-to books that can also be purchased online.
