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Hyundai Sonata Maintenance and Repair



  • Recently bought a 2009 Sonata limited V6 with NAV, ......and now its 350 plus miles and since past 2 days... the engine cries(noisy) like anything....when I start the engine and till the time it reaches 0-35 mph(with jerks while it shifts the gears), it feels like I am driving a used car/truck. Real pickup...even if its a V6.

    One of the dealers said it needs 89 Ocatne gas....I should not put 87 Ocatne..where as per my user manual... 87 Octane gas is fine.

    Where as the dealer from whom I bought the car asked me to get the car tomow. to their service center..... as they said they r going to fix it..if not then replace the car. Where as its not typically expected of a new car if it really passed Quality tests.....

    Let me know if anyone had similar problem in the past......??
  • patpat Posts: 10,421
    Let's continue this conversation here where you have gotten a reply: krishnakonline, "2009 Hyundai Sonata" #575, 28 Aug 2008 3:05 pm.
  • I bought a 2004 Sonata GLS 4 weeks ago. It has 45K and is a beautiful car. Now all of a sudden last week I noticed a metal clunking noise when I shut the drivers door. I do not slam the door and I am the main driver of this vehicle. I contacted the Dealer and they told me this is not covered under the remaining warranty. I would like to find out what this noise it but do not want to ruin the door in the process. Anyone else have a similar problem? Any ideas on how to remove the door without ruining it? Thanks.
  • jlindhjlindh Posts: 282
    Something probably has come loose inside the door. The door itself will not have to be removed, only the inner door panel. this isn't going to be a big deal IMHO. If you have a problem with the dealer fixing it, you might try a local independent radio installer. They remove these panels all the time.
  • backybacky Twin CitiesPosts: 18,632
    If the car is still under the factory bumper-to-bumper warranty, then this problem should be covered. If the dealer refuses to honor the warranty, call the Hyundai Customer Service number to complain.
  • That's what I meant was the door panel, I don't want to ruin it trying to get it off. There are caps over the screws, is there a special way to get them off without scratching the panel ? We have a cougar and the door panel was a beast to get off because of clips until I was able to find the schematics for the door panel. I have had no such luck finding anything like that for this car..
    The dealer said the bumper to bumper warranty was over and even if was just a simple loose piece they would have to charge me labor time anyway.
  • My wife's belt came loose on her car... My brother told me to use the nut to adjust the tention arm... I turned the nut on the bottom pully about 3 or 4 rotations... I found out later this was not correct.

    I have the belt back on now... but I am worried about the bolt I turned... I can't loosen it up. Should the bottm pully spin freely... and by turning this bolt will it mess up my timing??? I worried!!!

  • jlindhjlindh Posts: 282
    We need some more information. What kind of car are we talking about, for starters. Also, when you say that you turned the nut on the bottom pulley, do you mean the pulley on the water pump?
  • I have a 2000 Hyundai Sonata 6 cy. I have tried to copy a picture... not sure if this will work. I tightned the big nut on the bottom pully... it will be the one in blue if this works. I guess it is the drive shaft... but guessing. I know the ratchet turned... but the pully may have been turning which made me think I was tighting it. Sorry I can't give you more of an answer.

  • backybacky Twin CitiesPosts: 18,632
    No, none of the 3 pictures show up. You need to post them on the Web someplace (e.g. CarSpace or a personal Web site) then provide the URL to the picture, using the Img tag below.
  • I have not started my wifes car yet... I would like to know your thoughts before starting it. She will need it tomorrow for work if I don't make other arrangements... your comment would be thankful.

  • I went ahead and started the car... The new belt jumped off again back behind the tensioner pulley like it did the first time... I'm about ready to shoot the car or myself... (just kidding)
    Any Ideas before I put more det on my charge card
  • Can't have to replaced. Had it done to my 200 Sonata front also replaced.
  • jlindhjlindh Posts: 282
    Whether you turned the crank a bit or actually tightened the bolt in all probability has nothing to do with the belt jumping off. Is the new belt properly routed and quite tight? You should only be able to flex it 1/2" at most. Does the idler pulley turn freely when the belt is not on it?
  • I have been told that i need to replace the Bearing & Seals - rear-both (aka - Rear Hub Assembly). Remove & replace wheel hub, rear, both. Parts: 196.39 labor 112.80. total: 505.58. I was told that they could hear the noise coming from the rear. They marked my invoice: System Failure - Required.
    I am looking at my owner's maintenance schedule and don't see it in there. I have almost 110,000. It is a 2000 Hyundai Sonata. Can someone lend a hand...not on the payment! but on just what this is about? Like, will I get in an accident real soon? Are they properly priced...and anything else that can be offered. Big Thanks...Joe
  • I have this problem where on the first start of the day, when I put it in reverse (to back out of garage), I hear something light going on under the hood. It's a belt sound I think, NOT high pitched, NOT squealing, just some sort of god...i don't know. Similar to when you turn on the A/C and it sounds like it's "working harder." This sux
  • Is this something YOU initiated by taking the car into the dealer for a noise that you thought was in the rear suspension/wheels? If the answer is yes then the resulting investigation into your complaint has been narrowed to worn out rear wheel bearings.Of course the dearer service people may have heard a rough bearing rumble while road testing your car for some other services and mentioned the need for replacement as any competent service people should. These bearings are sealed and as such there is no mention of them in the "owners maintainance schedule" because there is no owner intervention needed..that is until they wear out. Since you have over 100K miles the fact one or both have worn out is not unusual or abnormal. The bearings will gradually (or not so gradually) get worse, the noise will increase until the point at which they will totally fail by (usually) falling apart or possibly locking up. You should probably not be still driving on totally failed bearings but depending on how long this proceedure of failing has been going on it MAY be some time before they disintegrate BUT this is not something that can be predicted with any certainty. I would replace them ASAP (but I am anal about my cars and any potential problems) and as far as price goes well, it doesn't sound outrageous for replacement of both rear hub and bearing assemblies. Hope this clarifies things somewhat.
  • Thanks much for ALL your comments. I do believe they took the car out to be road tested before and after they replaced the input/output speed sensors...and heard the noise.
    I had taken the car in for sensor problems - aka, check engine light sysndrome!
    I ouched at THAT cost and was taken aback when they brought up the rear hub assembly...and IT's COSTS!
    It was JUST too much for me to absorb on 1 visit.
    However, I will take it in for this job ASAP because I am MORE anal than me.
    You provided the kind of information that i needed...corroburated the costs and explained the potential danger.
    I also was thinking about 110,000 miles on car and next timing belt requirement...pretty soon...and that cost.
    Maybe I should just let Hyundai sell me a new one instead!
    Maintenance is where the real costs are.
    Again, THANKS.
  • When I change the oil in my 07 Sonata I get oil on the plastic cover under the engine, then it leakes on the garage floor for days. Has anyone removed the plastic cover? I would like to take it off and leave it off. Thanks
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