Sonata NF (2006-10) :: 2009 3.3 V6 - Transmission Slipping While Driving On The Highway

I have a 2009 Hyundai Sonata V6 3.3. I'm currently about to hit 65k miles. About 2 weeks ago i felt the transmission slipping while I was on the highway. Yesterday my check engine light came on. I took it to my mechanic; according to the reader, the Dampener Clutch System was the problem. This morning when I took the car out, I realized that the Check Engine light went away but still could feel the transmission slipping.

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Sonata NF (2006-10) :: 2009 - Loud Pop While Driving

We have a 2009 Sonata with barely 50k miles - always garaged. It has been a great car but recently has come up with a couple of quirks.

I was driving last week and heard a loud "pop" behind me. Really loud..... I pulled over and found that the left rear window was missing!

I took the car to a local auto glass place and they found the missing window down in the door, I really though that it had fallen out and actually went back to the spot on the road where the noise happened and looked for it.

Anyway, the glass shop lifted the window back in place but had little interest in making the power part work again.

Now, I have had power windows fail on other cars before but they always got stuck, I have never had one "disappear". Would this be a safety issue that Hyundai might cover?

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Sonata NF (2006-10) :: 2009 - Transmission Started Sliding Into 4th From 3rd Gear

I recently had the transmission fluid changed in my 2009 Sonata NF 4 cyl. Current mileage is 60,000 miles. Directly afterwards, the transmission started "sliding" into 4th gear from 3rd gear. I assume that fluid contamination has caused a clog somewhere in the transmission. I have had the tsb done on the car for the transmission and the fluid had been exchanged @ 30,000 miles prior to this service.

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Sonata NF (2006-10) :: 2009 - Transmission Jerks When Automatically Downshifting

I have an 09 Sonata that jerks when automatically down shifting just before coming to a stop or slowing to make sharp turn. Car has 130k miles and I've never changed transmission fluid. BTW...it's been a GREAT car!

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Sonata NF (2006-10) :: Buzz Like A Relay From The Center Of Dash When Lightly Press On Gas Pedal

I have a 2007 sonata limited with 54000 miles. When I lightly press on the gas pedal I hear a buzz like a relay from the center of the dash. It does not do it all the time. but It is getting very annoying. What could be wrong?

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Sonata NF (2006-10) :: 2009 V6 Loud Road Noise When Driving Above 35 Mph

When I was at about 40k miles I started to have this problem. Driving above 35mph the road noise started to get louder. I first thought it was my tires but the noise went away after driving about 1k miles. Now I'm at 72k miles on different set of tires and the noise is even louder. According to a few mechanic shops, they say that there is not enough air flow going into the engine. But I'm not sure if that's the problem. It's not under warranty anymore and I can't just take it to the dealer to find out what's wrong.

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Sonata NF (2006-10) :: 2009 - Jerking At Around 20 Mph When Slow Down After 10 Minutes Of Driving

My 2009 Sonata 2.4L GLS is jerking at around 20mph when I slow down for the first 10 minutes that I start driving. I have taken it to the dealership 2 times. The first time, they updated the computer module for the transmission, however the problem was still there afterwards. The next time, I did a transmission fluid flush and fill, but yet I still have the same jerking problem.

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Sonata NF (2006-10) :: 2009 - Stalling While Driving At Highway Speed

My 2009 sonata started having issues with slight up and down accelerations while cruising and the check engine light would come on Then during start up the engine would accelerate up and down about 1500 rpms. I have taken it to two dealers neither could find anything wrong and said their was no record of an event on the computer. Now the car is stalling while driving, once at highway speed. It has happened three time this week. After coming to a stop, I wait a few minutes and the car starts up like their is nothing wrong. The engine light comes on for a while.

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Sonata NF (2006-10) :: 2009 - Power Steering Turned Off While Driving?

I'm having a serious problem with my 2-year old 09 Sonata....

It happened for the third time: after driving for a couple minutes, numerous dashboard signals flared up and my power steering suddenly seemed to turn off - all in the middle of driving. The first two times I took the car in, they found problems. One of the malfunctioning components was the timing belt, and they replaced it for us. After the third time, however, they couldn't find any problems and my car was deemed "perfectly normal." They didn't do anything for us.

Now, I'm left with a 'normal car' that I know will show the same problem sooner or later.. maybe in a more dangerous situation than the previous 3.

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Sonata NF (2006-10) :: 2009 - Automatic Transmission Does Not Accelerate Smoothly When Starting Out From Idle

I have a 4 cylinder 2009 Sonata with an automatic transmission and it does not accelerate smoothly when starting out from idle. A slight touch on the accelerator pedal causes the motor to accelerate hard as though the pedal was pushed down a lot further than "a slight touch". Is this normal or should this car accelerate smoothly? I am wondering if there is a common problem with either the accelerator pedal sensor or maybe with the throttle servo.

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Sonata NF (2006-10) :: Transmission Noise When Driving For A While At Normal Local Road Speeds

My wife's 09 Sonata SE AUTO 4-cycl.. I drove it last weekend and discovered a strange noise that can be heard after driving for a while at normal local road speeds.

The sound is like a combination of a whine and something that sounds like radio static. It can be heard very easily with the radio off and stopped at a red light. However, this sound also exist while the car is in motion. It becomes more difficult to hear as the road noise increase.

When I shift from D to N while stopped or driving, the noise immediately goes away. When I shift back to D, it sometimes comes back.

The consistent pattern seems to be that the noise will occur after having driven for a while at a consistent speed of at least 30-40mph. If I drive around the neighborhood for a while at low speeds and then stop, the noise will not be there.

I have not made effort to hear it from the outside of the car.

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Sonata I45 (LF 2015+) :: Loud Buzz From The Rear Passenger Door

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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Sonata I45 (LF 2015+) :: Hard Braking Causing Engine Vibration / Buzz

I've been noticing that when I need to make a hard stop, I will feel a sudden engine vibration for about 1 second as soon as it comes to a complete stop. The same feeling you might get when the RPM drops too low. It only does it for like 1 second though. I am not sure if it is the gears shifting down that is causing this. I won't feel it if I am making a gradual slow stop. Only fast sudden stops.

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Sonata I45 (YF - 2011+) :: GLS Exhaust Loud Metallic Noise (buzz / Rattle)

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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Golf/GTI VII :: Rattle / Buzz When Driving Over Bumpy Road

I'm getting this rattling sound/buzzing sound when I drive over bumpy roads. I'm not sure if this is the fuel line since the only time I get the rattle is when I drive over bumpy roads (brick roads, uneven roads, rumble strip, etc).

I think the rattle is from the passenger side.

I checked the VW site for recalls (not sure if TSBs will show up) for my vehicle. I think I'm going to take it in to get checked and see if the fuel line rubber washer was ever installed. Would the dealership be able to see if the TSB was ever performed while they had the car in the lot? Does the TSB only apply to certain range of VINs?

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Corolla / Matrix 2009-13 :: Very Loud Buzz From Stock Stereo

About 1 week ago my stock stereo started buzzing very loudly at random times. I happens with radio, aux and cd. Also here is a link to a video of it happening, skip to the last 10 seconds.BUZZ

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Sonata I45 (YF - 2011+) :: While Driving Clunk From Transmission And Idling Roughly

I have a 2011 Sonata GLS with 86k miles. Sometimes, like once every 2-3 days, when I start the car, nothing appears in the box that says "P, R, N, D". The transmission also acts very strange. I often don't notice the blank box when I start the car, but immediately notice it when I put it in reverse or drive. There is an awful "clunk" from the transmission, and the car drives like I'm driving it through 6 inches of mud. I stop, put it in park, restart the car, the problem is gone.

The dealer said if it is a problem with the shift lever, that is not covered under the drivetrain warranty. I really don't have the money for the dealer to do expensive diagnostics/repair.

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Sonata NF (2006-10) :: 2008 Transmission Not Going Into D

All of the sudden it's not going into D, instead wants to manually be driven and having to downshift instead of upshift... so weird. It' erratic. Would it be a sensor, or internal issue with the transmission? Or shifter just sticking?

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Honda - Odyssey :: 2009 - Starting Making Loud Intermittent Buzz Sound From Engine?

Having issues with 2009 Honda Odyssey. I'll describe, but I can't be certain these things are related.This morning, battery was dead for no apparent reason. No lights were left on, etc. Battery is brand new.After jump-starting, car ran fine for a few moments, then starting making loud intermittent "buzz" sound from engine/radiator area, down inside maybe on the left side of the radiator. There was also smoke rising from the engine.

I don't know much about cars, unfortunately, but cursory research suggests it might have something to do with the AC system.

I have attached a MOV which captures the sound it was making.

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