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My car makes this noise. Nothing is running accessories are good. Noise is pretty quiet and gets louder as the car warms in the video the care is warmed up. Noise hasn’t gotten better or worse. Any idea a guy on a civic forum his car makes the same noise and has for years. But just wondering what it is?
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It’s look like a rattle exhoust. The metal expand on heat and the exhaust gas come out and make noise.
You have the front joint and rear joint of the exhaut pipe ( this is locate on the elbow pipe before the catalyste). You issue sound like the rear joint becasue you did not have a increase heated engine and the sount is n low frequancy. You will smell oil burn when you open the driver door while you run your engine.How to diagnose a rattle and find It video
[video]http://www.youtube.com/watch?v=wYVjkyLdID4[/video]
After the exhaust leak in the video was fixed. When he revved the engine it made the slught growling rattle noise. Thats the noise mine is making, my cat converter is made into the manifold . Ive checked for exhaust leaks and cannot find any. The car in the video sounds different than mine until after it was fixed. I dont think my issue is exhaust leak.
Try to find where the noise is comming from precisely. Because noise travel and bouce and disperce in the car.
[video]http://www.youtube.com/watch?v=6mpNRJ7m-c8[/video]
Loudest areamis the center of the exhaust side if the cyl head where the little machined triangular area is. It sounds like a clackity noise. But it sound like the noise reverberates through the catalytic converter and makes the lower tone knock/rattle sound. I dont know if that makes sense or not.
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