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Hyundai Elantra Maintenance and Repair

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Comments

  • backybacky Twin CitiesPosts: 18,687
    It is good that your daughter and passenger were not injured--they must have been wearing their seat belts. What was the speed of impact, and where was the impact on the car? Airbags only go off when their sensors detect a collision of a certain force. At a low speed of impact (a police officer told me the limit is 12 mph but I don't know if that is true for the Elantra), the airbags won't inflate because they are a "supplemental restraint system" and the seat belts and car's safety cage can protect occupants from impacts at that speed. Realize that had the airbags gone off, you would have a much larger repair bill (or your insurance company would) because those components are very expensive.

    Not quite sure how your daughter could smell the airbags since they didn't deploy. What do airbags in an Elantra smell like, anyway? Maybe your daughter smelled the brakes and/or tires?

    By steering freezing, do you mean your daughter couldn't turn the steering wheel? Or the car didn't respond when she braked and turned the steering wheel? The brakes and steering are independent systems, so she should have still been able to turn the wheel when braking. I have seen it happen where a car brakes suddenly and the wheels lock, making the steering sluggish.
  • snakeweaselsnakeweasel a Certified Edmunds Poster.Posts: 11,703
    One simple question, how much damage was done to your front end? It it wasn't a lot the air bags won't deploy. The front end has to start collapsing in to activate the airbags.

    The sign said "No shoes, no shirt, no service", it didn't say anything about no pants.

  • I am glad to hear your daughter and her passenger were not injured. My daughter totaled her 2002 elantra which she bought new. She ownedit just over two years. She insisted to us that her brakes failed and the steering locked up causing her to hit a tree when she tried to go around a sharp curve. We found out later she was driving way to fast and was unable to negotiate the curve. The skid marks were over 150 feet so the brakes worked fine. Her car hit the tree dead center and the air bags did not go off. Luckily she was wearing her seat belt. I personally would prefer not having airbags inthe car. I am just glad my daughter was o.k. Is your daughter telling you the whole story. Maybe she was talking to her passenger. I was always taught you have to be in control of your car at all times. Try to keep your distance is case of sudden stops and be alert to your surroundings. There is a class action suit against Hyundai. We just recently received information on the proper way for the passenger to sit in the front seat.
  • jlflemmonsjlflemmons Posts: 2,240
    Not being a witness to the accident, I cannot say what happened or didn't happen, but many, many times I have heard a young driver involved in an accident state that "the car wouldn't turn" when the evidence at the accident indicated that the front brakes were locked right up to the point of impact. In the moment of panic, many drivers will not pump the brakes (non-abs car) and will lose the ability to steer the car. Afterwards, they will swear something happened to the car causing the accident.

    Once again, I am not saying that is what happened here, but it is a very common element in accidents with young or inexperienced drivers.

    More importantly, I am very glad your girl is okay. Cars can always be replaced. Loved ones cannot.
  • The first estimate was over $6,000 damage. They told her it could be more once they start taking the car apart! :cry:
  • If she locked the brakes (assuming no ABS) which is highly probable in an accident situation, 1) you will have no directional control... in other words you turn the wheel and nothing happens which could be confused with 'locked up steering' and 2) the ABS system will see a zero wheelspeed and therefore think the car is not moving. There is a low speed cutoff for the airbag system (can't remember the exact number but I think it's in the manual), so the bags don't deploy if you hit something at parking lot speeds.

    It's not a Hyundai specific issue. Someone in a sentra slammed into me on the highway a few years back and his airbags never deployed because he locked his brakes. We probably hit while still over 40mph and he did $5000 worth of damage to my car.

    Anyway glad everyone is ok, and that is what really matters.
  • The air bags are certainly a concern, but... this is another in an ongoing series of Elantra accident stories I've heard where the people in the Elantra did not sustain serious injuries. You can talk about crash safety ratings- I understand the Elantra is not the best- but the anecdotal evidence I see on this and other forums gives me a lot of faith in the safety of my car.
  • I have to agree with you. Even tho the front of my daughter's elantra was almost completely crushed in the inside of the car had no damage. She is now driving a 04 elantra, bought new. She does alot of driving. (25,000 a year)The cops, after the accident, said they could not believe she had no injuries.They were amazed with the elantra.
  • jlflemmonsjlflemmons Posts: 2,240
    Hyundai is making a very strong statement on vehicle safety. A friend that works at a Hyundai dealership has talked about the philosophy that is used in the design. "Scrap the car, save the passengers". Sort of a two way benefit if you think about it. Say you come upon a wreck, or have someone you know in a wreck in a Hyundai. Car is a complete mess, but the passengers are unscathed. Might very well make you look at Hyundai in a different light, no?

    Side note: One of the rarely mentioned safety factors of the late Pontiac Fiero was its complete integral roll cage and crash protection. The son of a good friend was the passenger in one when the driver fell asleep and ran off the road on cruise control, hitting a stalled car at over 70MPH. The Fiero was an absolute pile of rubble, but the passenger compartment was intact with no intrusions, and both walked away with lots of bruises from the seatbelts. The police were amazed that they survived, and moreso without injury.
  • nodulenodule Posts: 118
    Have any folks here have done throttle body/injector cleaning
    on a regular basis??
    What are the mileage intervals anyone has done this?
  • snakeweaselsnakeweasel a Certified Edmunds Poster.Posts: 11,703
    Well one thing is fuel has cleaning agents in it. So you really don't need a fuel system cleaner. I have gone close to 140K miles without using any and have had no problems.

    The sign said "No shoes, no shirt, no service", it didn't say anything about no pants.

  • backybacky Twin CitiesPosts: 18,687
    I don't have time to look it up now, but there is a TSB recommending AGAINST throttle-body cleaning of the type that some dealers will try to sell you as part of their maintenance "packages" at, for example, 15k miles. The first time my dealer tried to sell those extra services to me, I just said, "No, thanks--please perform only the services recommended by the manufacturer in the owner's manual."
  • jlflemmonsjlflemmons Posts: 2,240
    As said above, Hyundai specifically advises to NOT clean the throttle body. If you look at the way the air gets into the engine, the throttle body should stay clean unless the engine is run without an air cleaner, or the engine has been backfiring from another issue.
  • So, after a drive home (about 20 mins at/near 75mph), I hear a sound in the exhaust area (muffler? cat converter?) that sounds like popcorn after you've turned the heat off and the last few kernels are still popping. Generally this only happens when the engine is good and warm.

    Is this a typical thing? Or is it something I should get checked out?
  • backybacky Twin CitiesPosts: 18,687
    Yes, it's typical. It's the exhaust system cooling off. Mine does this all the time, especially now that the weather is getting cooler.

    P.S. The sound in my car is more a metallic "snap" than a popcorn sound. Did you spill some popcorn down the exhaust? ;)
  • jlflemmons,

    Can you provide the Hyundai text that states not to
    clean throttle body of the Elantras, please??
  • Glad it's typical - I didn't really think there was anything wrong, but it's good to know.

    The sound may be more "snap" than "crackle" or "pop", but mostly it was the frequency of the noise that put me in the mind of popcorn. I'll double check for both popcorn and Rice Krispies, though, just in case.
  • jlflemmonsjlflemmons Posts: 2,240
    INSPECTION
    Check the throttle body for cracks.
    Check for restriction in the vacuum port or passage.
    Check for interference when moving the accelerator cable.

    CAUTION
    Throttle valve set screw was adjusted in the production line with the air volume (0.516 ± 5% g/sec) during idling. So please DO NOT ADJUST IT voluntarily.
    When the idle rpm is out of specification, check the relevant sensors and their input or output value first.
    The throttle body does not need to be cleaned because carbon in throttle body does not affect the system's operation at all.

    This is from the general service for a Hyundai throttle body. Obviously, it is possible to clean a throttle body, but the instructions for doing so are very specific:

    NOTE
    Disconnect the intake air hose from the throttle body, and check the throttle valve surface for carbon deposits.
    1. Spray cleaning solvent on the valve to remove carbon deposits.
    2. Warm up the engine, then stop it.
    3. Remove the intake air hose from the throttle body.
    4. Plug the bypass passage inlet of the throttle body.

    NOTE
    Make sure the solvent does not enter the by-pass passage.

    5. Spray cleaning solvent onto the valve through the throttle body intake port and let it soak for about 5 minutes.
    6. Start the engine, race it several times and allow the engine to idle for 1 minute.

    Repeat Steps 4 and 5.

    7. Unplug the bypass passage inlet.
    8. Attach the intake air hose.
    9. Disconnect the battery ground cable for more than 10 seconds.
    10. Adjust the SAS (Speed Adjusting Screw)
  • I've never owned a car that didn't make some popping/ticking noises when cooling down. (They make them when the engine warms up as well, but the sound is masked by the engine noise). The exhaust actually grows in length due to the heat, then when you shut the car off, it cools down and shrinks to its original size. When all that expansion and contraction is taking place, other pieces such as mounts and heat shields are doing the same thing, but at different rates, so there is relative motion between the cooling parts and they make noise when they slip relative to each other.

    Perfectly normal.
  • nodulenodule Posts: 118
    Thanks jlflemmons!
    Where exactly did you pull that information from? Can you please provide me with the details as to where you found
    this particular Hyundai text?
  • jlflemmonsjlflemmons Posts: 2,240
    Hyundai has an excellent web site with parts and technical information available on all their models. You must register to use the technical portions, but registration is free. The web site to begin from is: http://www.hyundaiusa.com/

    I pulled the text from the TSB section. Do a search in the TSB section for "throttle body cleaning and service"

    Jim
  • bjc2bjc2 Posts: 28
    i have a 2001 elantra with 75k on it that i bought new.
    recently while driving it i heard a thud type of noise
    that came from the transmission.the check engine light
    came on and it would not shift out of the gear it was in.
    i pulled over to side of the road and turned the engine
    off.when i restarted the engine and got back on the road
    it was fine.anybody ever have this problem?
    bjc
  • You need to get that Check Engine Light checked out by a dealer. Even if it isn't still on, there may be a record of the fault stored.

    If the car is running okay now, I'm betting it is one of the speed sensors (one on the right front wheel* and one on the transmission), or the shift-select switch.

    I would get it checked out sooner, rather than later, because if it repeats it could do real transmission damage.

    *On ABS-equipped models, each wheel has a speed sensor.
  • bjc2bjc2 Posts: 28
    thanks doohickey for responding to post on trans problem .
    i will get it checked out as soon as possible.
  • Yes, I agree!!! I learned a very valuable lesson!!!! My engine just blew up in my car because my timing belt broke...I had just bought the car privately in March of this year, and had no trouble until it gave out on me. It had approximately 46,000 miles when I bought it, and now it has just 54,000 on it. I was floored when I heard that the engine was blown. Thankfully I had gotten my car off of the main highway before it shut off on me completely. Now it's going to cost me $1,800 to get it fixed. The really sad thing is that I was just going to get it serviced when I took it for inspection this month...It gave out about a week ago. Argh!
  • doohickiedoohickie Posts: 949
    If your car was first bought less than five years ago, THAT IS UNDER WARRANTY. The five-year, 60,000 mile basic warranty is fully transferrable and covers a broken timing belt.
  • I bought it privately in March of this year. It is a 2000 Hyundai Elantra GLS. I already tried this with the warranty, because that's what I figured would cover it. The Hyundai place out in Utah, told me that I would have to do some investigative work...which included calling the person who had owned it before me, and seeing if they had any work done to it, and if within 48 months/60,000 they had gotten that serviced or replaced, then it would be covered. Or if the person before them had gotten work done to it. But I tried to call the guy who I bought it off of, and he never called back, so I believe it is something that he knew before he sold it. My car didn't come with and owner's manual, and i am not even sure if he had it when he owned it either. I believe that he could tell something was going out on it, but wasn't sure exactly what it was. He and his wife were having an addition to the family and wanted to invest in a minivan rather than a small passenger car. So I'm not really sure what to think of this!
  • doohickiedoohickie Posts: 949
    A 2000? Sorry, you're eating it.
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