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Sedans Hyundai Sonata Hyundai Sonata Front Suspension "Thunk"
414 messages, Last post on Dec 06, 2009 at 10:17 AM
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Replying to: alpnglw (Nov 06, 2009 9:30 am) "grand thunk railroad" |
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Well they replaced my gauges. However, when I spoke to the service manager again, after hyundai consumer affairs referred me back to him, he gave me the same old answers. The tech found nothing wrong. The car makes no abnormal noises. I showed him the part numbers for the redesigned struts. He said that was for the 2006 model not the 2009. I asked if I could drive a different car. He said they had no 2009 cars. I would have to drive the same year car to compare them. I said why not a 2010? They are the same. he said a regional manger would have to ok it and be there. I said ok, get in touch with him. He said he would let me know when we could do this. I guess I'll be getting no place with this.
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Replying to: lenstang (Nov 11, 2009 4:46 pm)
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Replying to: alpnglw (Nov 06, 2009 9:30 am)
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Replying to: espo35 (Nov 11, 2009 5:39 pm) I really didn't find a bad stretch of road to show him what the noise was like. If you hit just one bump here or there it just doesn't demonstrate the sound. It looks to me like I'll be stuck with the problem until trade it in. |
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Took the service manager out yesterday. He acknoledged the clunk and he knew exactly what it was. He basically said it is bothersomne but it is a design problem and it is what it is. I'll follow up with the Hyundai complaint process but I've basically resigned myself to live with it until I unload it next year.....my solution...crank the radio!
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Replying to: madguy (Nov 12, 2009 12:33 pm)
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Replying to: alpnglw (Nov 12, 2009 3:18 pm) And they don't.
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Replying to: espo35 (Nov 12, 2009 5:52 pm) Assuming it is a design issue, it might only manifest itself in some cars. Perhaps the design issue is in the way the suspension components fit together--the tolerances in other words. It might be hard to align the components properly at the factory. Or they are susceptible to getting out of whack after a time. But if everything is done just right at the factory, there's no problem and no unusual noise. Here's an example of how this could work, using another well-known issue with a Hyundai. The 2001-6 Elantra is known for having an issue with front wheel "shimmy". Only some Elantras have this issue, and some don't have it initially but develop it later, e.g. when tires are rotated or rebalanced or replaced. I have personally experienced this issue on the two Elantras I owned (still have one). In each case, there was no wheel shimmy initially. But when I replaced the tires or had them rotated and rebalanced, the shimmy showed up sometimes. A careful rebalancing using a specific kind of Hunter balancing machine fixed the shimmy each time. But some owners have trouble completely eliminating the shimmy. The theory on this is the design of the Elantra makes it more susceptible to even a small out-of-balance condition on the front tires than on most other cars. |
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I drive 5 or so different Sonatas every day. I've yet to hear one doing what is described here. One noise I HAVE heard on 2006-2010 Sonatas is caused by a slightly "loose" front, lower conrol arm. I would call this more of a "click" than a "thunk", though. This is easily corrected by the dealership by re-torquing the mounting bolts. I probably do this about once a month and it works for the concern I am being approached with- clicking when turning and/or accelerating with wheels turned.
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