Sonata I45 (YF - 2011+) :: While Driving Clunk From Transmission And Idling Roughly
Aug 12, 2015
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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So, I took my 2011 Sonata SE in for service because I was having some transmission problems (18,000 miles). After starting the car and putting it into drive or reverse, the car would make a large clunk noise and surge forward or reverse. This happened only twice. I was also periodically getting some very hard shifts. They told me that they were getting an error showing a bad temperature sensor for the transmission fluid so they had to replace it. A lot of this started after the update. We will see if that fixes the problem.
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2011 Sonata Limited ... I have just under 60k miles and did a tranny drain and refill at 24k and 55k. Just had the brake light switch replaced. For some reason when cruising with the car in overdrive, if I let off the gas to decelerate and ease into the gas again, I get a real hard down shift and shift. So every time I get on the gas again it is either kicking out of overdrive or downshifting and shifting back immediately. 99% of the time it is a hard thump. When I have the cruise set I do not notice this at all. It does it in ECO or out of ECO. This is new and I started noticing this after the brake switch replacement.
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OK, I thought I saw where people were lubing certain areas for a clunk but it was a squeek.
Seems like over rougher terrain my 11 sunroof tends to clunk. However the painful part is I can't reproduce it on demand, clunk or a rattle. Its deeper in tone for sure and not a squeak.
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I posted earlier about my car idling roughly, the dealership is now saying it may be my engine or transmission mounts. I have a 2002 Passat wagon with 41500 miles.
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My 2001 Honda Accord LX automatic transmission with 103,000 miles has been shifting roughly for about a year. The car is in excellent shape otherwise. I've changed the oil & filter regularly @ 3,000 miles, just had the rotors turned. Last year, based on what the manuel says to do, I had the transmission fluid drained and replaced. It seemed better for about 6 months. The rough shifting seems to happen most when going from 2nd to 1st and vice versa. Last week when I accelerated to take off @ a traffic light it made a huge clunking sound & it was like I went over a speed bump as I took off. That sent me to a transmission shop!
Through a test drive & putting on the scanner, shop #1 says it has a major transmission malfunction & said need to take apart, rebuild & put back together. Shop #2 does the same testing & says basically the same thing & all they can tell me to take it apart & put it back together, with the unknown being what is wrong & what will be the total cost! Shop #3, same testing, but they went a step further and dropped the transmission pan & found the forward clutches in there. They recommended rebuilding transmission, replacing forward clutches which includes torque converter, pump, gasket seals, etc.
My specific questions are:
1) What is the function of the forward clutches?
2) Does the diagnosis & remedy sound correct
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Started out clunk sound only if going over speed bump, or bumpy road. Now more often with slightest road bumps.
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2011 Sonata, 42,000 miles. Every now and then the car wont start. Press the start button, everything lights up. Instead of the car then starting I hear a small clunk and then no start. I DO NOT get the "Press the Brake pedal" message. The last time this happened we tried repeatedly to start with no luck. The car then sat for a day. I tried it again with no luck. I them removed the battery clamps and cleaned the battery terminals, reinstalled, put a Start/charger on and tried it again, with the same result. I then opened the engine compartment fuse box and attempted to remove the two "start" relays. They would not come out, but I was able to jiggle them slightly. The next attempt the car started normally. Started normally again this morning.
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A few weeks ago I noticed a 'clunk' noise when turning the steering wheel. It only did it the first turn on a trip. Over time it has gotten worse - the sound is the same, but it happens for several turns, maybe 10 or so, before it stops. After the car sits, turned off, for a while, the cycle starts again.
I replaced the rubber coupler on the MDPS, but my old one looked fine, and it made no change in the noise.
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I have noticed with my 2011 Sonata that I am experiencing the reduced power and a bit of*rough*idling from the engine. I noticed an increase in performance after oil changes, then back to the same issues after about 1000 miles. I switched to a synthetic blend and started buying the best filter any of my local shops carry. I then ran some additives recommended and shifted to gas from Shell o However, I am still having the issue.
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Noise is coming from the front suspension. You can hear it at :11 after i come to a stop, then drive over a dip. The dealer has told me it is the front struts. It's the 2nd time I've taken it to the dealership, the first time they could not replicate the noise so i am surprised the technician was able to hear it this time, and I don't want to spend money on strut replacement if it isn't the cause.
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I'm a 2nd owner of a 2011 Sonata, and am currently at 99,800 miles. I have an extended warranty (so I've been told) that covers powertrain I believe until 100,000? When turning the wheel to the right then left, or vice versa, theres a clunk/thud sound produced from the steering column.
I am assuming this is not normal. Will my hyundai dealer cover this since it seems to be a common annoyance on these cars. Is it dangerous to not get it fixed?
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I have a 2011 Sonata GLS with 40K kilometres that's making a "clunk" every time I enter a driveway on uneven path. The mechanic that changes my tires confirmed that it's the right front lower ball joint. It's either loose or worn? Are the ball joints covered under Hyundai's warranty? Can I get this repaired free of charge?
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So out of no where I have a Clunk type sound coming from my steering column. But only when I turn the steering wheel five percent either way. Steering is still 100 percent responsive though.
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When I turn my car off there's quite a bit of noise coming from under the car. Basically the sound of the exhaust cooling off but I would say a little excessive. In fact one night I was dropping my son off and left the car running and went to get some stuff out and while it was idling you could hear it. Clink.. clink clink. Same sound when its turned off.
I backed the car up on some ramps yesterday after I had driven it a short distance to see if I can pint point where its coming from and It seems to be in two places. Both where the exhausts are bolted together at a flange. One where the Catalytic converter bolts to the pipe that leads back to the mufflers. And there the 2nd source where just after the Y pipe where it splits off into 2 mufflers.
Is this something that may subside after the car has gotten some miles on it? I'm still well under the first 1k miles.
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Just bought my new ride last week and already noticed strange clunk sound when braking. It doesn't happen all the time but seems to happen when I make full stop, like at a stop sign or stop before turning.
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When I'm idling my car at a stop, I notice a slight vibrating through the car... The vibration could also be felt through the steering wheel.
Not a major issue. Tried pushing car into neutral to see if it made a difference... Nothing.
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I just bought my first Prius, a used 2009. So far I like it very much. I just have one concern: The engine seems to run roughly, especially when it's idling and when it goes up to about 45mph. I'm not sure if this is normal for a hybrid and I'm just not used to it or if it indicates a problem. The problem persists even after it's warmed up.
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I recently had $1600+ of work done on my 2005 Mazda 3 (L4 2.0L). R&R Head Gasket and Thermostat and Coolant Temperature sensor replaced. Since then it's been idling roughly. This was NOT occurring prior to the work. Mechanic says it needs a couple of weeks to "sync"? Does this makes sense? I'm wondering if they did something wrong to cause the problem.
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I have a 2004 Prius with 196k on it. Over the past 3 months, I have had the P0505 CEL come on about 3 times. After looking over everything and not noticing it running differently, I have cleared the code and kept going. The CEL stays off for a 3-4 weeks, then comes back on.
Yesterday, the light came on and was accompanied by a rougher idle. I checked the code and the only one shown is P0505 reads as Idle Air Control System. I removed the airbox and cleaned the MAF sensor with MAF spray and cleaned the throttle body valve with throttle body cleaner spray. They were both dirty, but didn't seem too bad.
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I recently pulled the head gaskets on my '98 RAM 1500's 360 Magnum and after two weeks of waiting on the machine shop I've put everything back in and to torque specs. After a battle with the starter ending in pulling all the shims I painstakingly marked I got it to fire up. But, it is now idling roughly. I burped the coolant system, checked the oil level and removed some as it was slightly overfilled.
I also had an exhaust leak so I checked torque specs on the exhaust manifold. All of this worked marginally but when I felt comfortable moving the vehicle I found that in gear with the throttle open it would sputter, idling it moves along just fine. The engine is pulling air weakly through the filter and I noticed it is blowing a little white smoke when given gas. My OBD2 reader doesn't pull up any codes, I'm at my wits end.
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