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Hyundai Sonata Maintenance and Repair



  • chanmanchanman Posts: 1
    My Wife and I got a Brand new Sonata on July 3rd. We drove it 200 miles (4 days). It started making a real funny noise. We called service. they came and towed it in. Called my wife back and told her we had a serious problem in that the Drive Chain Timing belts had completely slipped! They needed to completely Pull the engine OUT and redo the timing belts and chains (I guess)whatever the correct technical wording is......
    My problem is that I told them I did not want that car anymore. I asked for them to find me a new one just like it because I've heard once you pull an Engine completely out of a car, by disconnecting everything, you never get that engine to run the same ever again. There is no way they can put that back together as goods as they did at the factory.
    The problem is in understanding what they are going to do at corporate because the dealership has washed their hands of the whole problem saying it is not their problem, call corporate. I felt so used after we don't even have that car for 1 week and it has this MAJOR problem and the FRIENDS we had at the DEALERSHIP when were were buying all of a sudden disappeared! WOW what a shock!
  • lastwraithlastwraith Posts: 350
    Assuming you have checked the car for codes already and have found none it might be prudent to check for voltage at the fuel pump to see if it is getting anything when you try to start the car. Especially if you suspect this to be the area of your problem.

    Fuel pumps will indeed run when given voltage but things can also get in the way. Just ask an older accord owner about failing main relays this time of year.

    And just for the record, your switch question was valid. For example, Ford Escorts have had inertia sensitive fuel shutoff switches in them throughout multiple model years.
  • ray_h1ray_h1 Posts: 1,134
    "I've heard once you pull an Engine completely out of a car, by disconnecting everything, you never get that engine to run the same ever again. ... There is no way they can put that back together as goods as they did at the factory."

    Therein lies the crux of the matter, doesn't it? Opinions on any subject vary as widely as the appearance of peoples' faces. I've even heard opinions that the earth is actually flat and that astronauts never walked on the moon - that it was all staged and took place on dear old terra firma. That miscilaneum aside, I can't help but wonder just how well everything on your new car's engine really was assembled at the factory if you already have a serious mechanical problem at just 200 miles... You may want to consult a lawyer for advice about a legal strategy in attempting to obtain a free replacement car or purchase price refund - the so-called "lemon law" approach. Be aware, though, that most, if not all, states require that the car owner allow the automaker three chances to repair the problem before lemon law litigation can proceed. (Besides, who knows? Maybe the dealership's service department's certified techs will actually satisfactorilly repair the engine despite the conventional "wisdom" of annonymous and unaccountable rumor mongers...) Anyway, I do sincerely wish you the best of luck in resolving a very nasty problem that fate bulls-eyed squarely in your unsuspecting lap.
  • njeraldnjerald Posts: 688
    You are due a satisfactory repair as specified in your warranty whether it happened in 1 week or after 5 years.

    Not a new car.
  • kmonniakmonnia Posts: 7
    I had wind noise with my '06 Sonata. That was very suprising to me because all of the reviews explained how quiet the car was. I brought it back to the dealer and they re-sealed the rear window. It is perfectly quiet now.

    The noise in my car sounded like it was coming from the rear, but I guess if you have a break in the seal the noise could sound like it's coming from diffeent places depending on the location.

    The dealer was very easily able to fix this, however, I did need to take it in when their "glass guy" was in. That's usually a couple times a week.
  • damecourdamecour Posts: 1
    There seems to be a programming problem with the automatic climate control on my 2006 sonata. In auto mode the climate control brings on the air conditioning when needed. When you change to manual mode the air conditioning remains on even though you have not selected air conditioning and there is no icon on the display. The only way to deactivate the air conditioning is to push the air cond. button so the icon comes on and then push it again to turn the icon off. Now the air cond. is off and you can control it manually. Hyundai seems to of missed a step in the climate control program that turns the air off when switching between auto and manual mode. Can anyone verify this? and does anyone know of a fix for this from Hyundai? Thanks
  • gibigibi Posts: 9
    I have the same problem, About 2 months ago they replaced the right rear wheel bearing. Said it was defective. Now 2 months later the same symptons are back. Same squeeking and rubbing sound, I am going to the dealer in the am and give them this info.It is embarrising when people look at you driving your brand Hyundai and it sounds like a dump truck????
  • ray_h1ray_h1 Posts: 1,134
    Unless Hyundai's changed its attitude about wheel bearings since 2003, the wheel bearings they use come from Hyundai's wheel bearing supplier pre-packed with grease - pull 'em outa the box, install 'em, and send the happy car owner on his way. The only service on these bearings is outright replacement if they're faulty. In short, they're either good or they're not. It sounds like you got "lucky" twice in succession with an insufficiently lubed and/or improperly machined rear wheel bearing set from one of Hyundai's suppliers. Who knows? You might eventually get a good one if you keep trying enough times... The good news is that it's on Hyundai's nickel the first five years or 60,000 miles.
  • seepicseepic Posts: 7
    Dealer told me the viberation of the gas pedal is due to "resistence of the computer". He said the gas pedal is like a video game control. When I slightly hit the gas, the computer was confused by what I wanted it to do. He suggested I hit the gas harder. Does it sound reasonable?
  • ray_h1ray_h1 Posts: 1,134
    Sounds like baloney served up with horse-pucky to me.
  • Hi Guys,

    Mine is a 2006 GLS V6 (bought a month ago). At first, I was very impressed by the quiet engine. At about 500 miles, I asked my dealership to do an oil change (I doubted there was a problem with the oil filter but it turned out there was not). Since that, I have had a feeling that the engine gets louder, espcially after a cold start. Whenever I accelerate the car from low speeds, stepping on the gas padel softly, with windows closed and fans and music off, I can hear apparent engine roaring. When I am waiting for red lights, with palms on the steering wheel I can feel a slight vibration through it.

    Maybe I am just meeting troubles halfway. Any kind comments?
  • ray_h1ray_h1 Posts: 1,134
    At just one month into ownership and with your new car totally under Hyundai America's blanket warranties, why not discuss your concerns with your dealership's service manager? It doesn't seem like you should have to settle for a noisy, vibrating motor when it's idling or accelerating from rest at part throttle. If these anomalies only became apparent after your dealer's servicing, be sure to mention that, too.
  • jason15jason15 Posts: 6
    Yes. I have seen this problem too. Probably just the way it was designed. Let us know if you find a fix.
  • jack47jack47 Posts: 312
    Could it be the 85% ethenol/gas that a lot of people are unknowingly filling up with?
  • pekelopdpekelopd Posts: 139
    Read section 2-13 in your owners manual. This page will explain a little of how ESC helps. The only time(s) you might want to turn off ESC is when your car is parked on ice and you are trying to pull away from it. If the computer sense tire slippage, it will brake certain wheels in order to regain control, or so it appears to the computer. Other times you might want ESC off is if you plan to drive the car like a sports car and do some drifting and hard cornering, but then again, this isn't exactly a sports car. If you go to Hyundai's web site, it give a computer simulated example ESC and non-ESC.
  • miamixtmiamixt Posts: 600
    I visited your link, that was a waste. I don't plan on ever turning off the ESC, as it controls the ABS too. So if I was planning to drive the Car like a sports Car, with hard cornering and drifting, isn't that why I have these features in the first place?.
  • ray_h1ray_h1 Posts: 1,134
    The ABS system is not driver defeatable - only ESC is. pekelopd's advice was spot on.
  • miamixtmiamixt Posts: 600
    Page 2-12 refers to the ABS(ESC) as one component. Are you sure he's spot on?.

    WARNING! (Look for the yellow caution box)

    ABS(ESC) will not prevent accidents due to improper Driving...

    The breaking distance for cars equipped with an anti-lock braking system(ESC) may be LONGER...

    The safety features of an ABS(ESC) equipped vehicle should not be tested by high speed driving or cornering...
  • Mr_ShiftrightMr_Shiftright CaliforniaPosts: 44,404
    Only condition where ABS might take longer to stop is on gravel; otherwise it's pretty hard to outsmart it.


  • jaxs1jaxs1 Posts: 2,697
    But some percentage of people may want to drive their Sonatas on roads paved with a combination of gravel, marbles, sand and loose snow on a daily basis.
    The inability to turn off the ABS and ESC could become a safety issue in their minds.
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