Sonata I45 (LF 2015+) :: Developed Loud Exhaust And Deep Rumble - Center Muffler?
Aug 19, 2015
About 4 weeks ago my 2015 sports turbo developed loud exhaust, deep rumble, dealer replaced left rear muffler. Noise still there. I'm suspecting the center muffler.
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I just got a brand new 2008 F150 supercrew FX2 last wed. I love it, it's my first truck ever and I'm excited to drive it. I wanted to change the exhaust to something that has a low rumble and is deep, not too loud or anything.
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Noticed the condensation from the exhaust seems to only exit on the left muffler when the vehicle is idling?
Is there an actuator that turns the right side unit on under heavier acceleration?
BMW uses an actuator on their exhaust system that opens up to create more airflow when above a certain RPM.
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I have a 2015 sonata SE with the stock 16 inch kumho summer tires. One of the tires just developed a leak, a slow one, after 5 days psi drops from 34 to 28. I am guessing I ran over a nail? or maybe valve leak? I don't recall driving over a pothole or anything that would otherwise damage the tire or rims.
Now suppose it is a nail, is it dangerous to keep it in there? will it deteriorate the rubber even more? Or is it one of those things i can leave in there, and just keep pumping air every few days?
Just wondering is it worth it to bring it to the tire shop and have the check for where the leak is and have them patch it.
I have 3750 miles on my tires, when should i get it rotated and/or replaced? How does one replace tire since there is a TPMS system? is it easy to do without dealership?
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How much white smoke do you see coming out of the muffler? I've been seeing it while idling at stop light in my mirrors, and also see it in my backup camera while backing up. This is happening when the engine is already in normal operating temperature.
Been reading google and getting panicky about white smoke meaning that coolant is leaking and getting burned in the engine.
When you check your coolant reservoir, where between the F and the L is it normally supposed to be when the engine is Hot, or Cold?
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Yesterday, I heard a loud "pop" while cruising at 60mph. Pull into a rest stop and and discovered a hole in the muffler. The engine now idled roughly, but seem to smooth out about 2000 rpm.
Question for the experts: can the loss of a muffler cause the engine to run rough? It's a 460cid in a '77 F350.
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I've noticed lately that I wish the lights on the temperature control display and the clock were a brighter during the day. Especially when the Sun shines on them and they get washed out. I've tried increasing the display brightness, but it doesn't really seem to work. Could I just have a dim display?
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i have my 4 inch exhaust pipe cut just behind the rear of the cab right now with no muffler. If i cut it further up maybe jsut under the front seat or so what would this to the sound? would it make it deeper or louder?
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I own a 2005 F350 Diesel and I want to remove my stock exhaust and run a side exhaust with no muffler. Has any Diesel owners out there run a side exhaust system?
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I have a 2012 Hyundai Sonata SE 2.0 Turbo. I just noticed last night that when I'm idle at a drive through or just starting off, going maybe 5 mph if that, that there is what I think is an exhaust noise coming from outside the car. I don't notice this sound anytime else except when at idle maybe pressing on the brake letting the car coast through a drive through or when parking. Far from a mechanic here. I just joined to maybe find out if I should schedule service immediately for something like this or wait.
I'm worried I might have torn something on the bottom of the car because I have taken it down a normally dirt road that was covered in snow and ice and bottomed out several times. I only idled down that road, going slow enough that the speedometer didn't even register. That was at least 2 weeks ago. Last night however, I went up a small hill in a parking lot, just at idle speed and heard a scrape, so bottomed out again. Didn't hear anything until about 1 hour after I got home when I went outside to move my car for the plow guy.
It's strange because today I didn't hear it when I started up the car, but only heard it when I went through the Dunkin Donuts drive through. I had my foot on the brake and the engine idling and it sounded like exhaust or the mufflers or something. Could it be that maybe water and snow got in something on the underneath of my car, and the exhaust is trying to "spit" it out?.
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Today morning I just noticed that while I was warming up my 2015 sonata 2.0T limited, I found there is uneven exhaust flow. Driver side exhaust has more flow than passenger side exhaust. I could feel flow barely from passenger side exhaust. I am just wondering if it is normal or I should take my car to service.
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Well I've just noticed something quite annoying today... a very slight hissing sound coming from under the rear end of the car. A friend I drove to work this morning even said "what's that noise?".... It reminds me of the sound you'll hear when there is a pinhole in a joint weld, or a clamp is loose? My car only has 2800km on it!
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I was running errands yesterday, left the car for an hour, then got back in and noticed that the deep rumble of the exhaust that I love was suddenly gone. The car seemed fine when driving, but the wookie growl only showed up for a few moments. No CEL. What could be causing this?
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When I lock my 15 Sonata everything seems (sounds) fine, however when I open there is a "loud" buzz from the rear passenger door...............
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How to deaden the annoying loud ticking!!
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i plan on getting rid of either the cat or the muffler probly in about a week...which one would be better to lose?
i dont care about the sound cause either way i go if i keep one it shouldnt get much louder right and either one will increase power/torque... im wondering which one bill better my mpgs the most im leaning towards muffler it will be easier and more legal...then again my truck already passed inspection
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I bought a 01.5 Passat a few months ago and it had developed an exhaust leak. So when I went to check under the car I found it was missing the catalytic converter.
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I am a proud and recent owner of a 2015 Sonata Sport 2.0T!
Car looks amazing and am very happy with it.
But lately I have been noticing lots of drone noise coming from the engine, and a really loud cold start as well. The "cold start loudness" goes away after a little bit of driving.
Was wondering if this is just the way the 2.0T sounds, or should i get it checked?
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Just purchased a pristine 2011 GLS with very low mileage. The car is essentially mint (garaged + well cared for by previous owner), but has one, occasionally noticeable issue: once warmed up, a very loud metallic buzz/rattle noise is heard from the rear of the car, particularly under low RPM acceleration. I've had many cars in the past with similar noises, which all turned out to be loose heat-shields at various locations along the exhaust systems. With this in mind, I've felt all the heat-shields on my "new" car, and they all seem to be securely in place - though some (especially the rear one over the muffler) seem to be minimally supported by design, and could potentially be resonating with certain exhaust frequencies.
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Finally got around to take a video. This is a muffler delete with stock resonators. I had the shop cut right where the axel back bolts up to the midpipe thus ridding of the factory crushed pipe.
RCF with muffler delete and stock resonators - YouTube....
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Have the APR RSC exhaust - developed rattles, specifically in one of the RSC muffler chambers?
I've had my exhaust installed for almost 6 months. About 2-3 months ago, I noticed a rattle from under the car somewhere. I finally got underneath the car a few weeks ago to check it out and the rattle is most definitely coming from the rear RSC muffler (right before the exhaust tips). I'm positive that's the source and I'm guessing that the welds inside for the baffles / walls that compose the RSC technology failed, and a piece is now rattling around inside. It only rattles at low RPM, but it's loud (especially in a parking garage) and super embarrassing.
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