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    whine during acceleration

    cymechanics,

    just recently I have noticed a whining sound as I push on my gas and when I relieve of the gas pedal the whining receeds...I got a new serpentine belt put in today but that made the whining worse. it is on the front right side of my 2007 altima. I am wondering if it is a bad pulley wheel, a bearing gone bad, the alternator, etc.

    thanks for all the help



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    Re: whine during acceleration

    timing belt/chain tensioner?




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    Re: whine during acceleration

    Sounds like you need a new hyperdrive generator


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    Re: whine during acceleration

    Had the same thing when my transmission was going out on my Grand Prix a few years ago...



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    Re: whine during acceleration

    Flux capacitor needs reset.


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    Re: whine during acceleration

    Remove Clones21 from the backseat.

    Boom.

















    (kinda)


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  7. #7
    DistrictCyclone
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    Re: whine during acceleration

    It's probably the bearings in one of the pulleys. The new belt has more tension than the old one, which is why you didn't notice it before.

    Do you have A/C? Try flipping it on during idle and when accelerating and see if you notice any changes in the sound.

    (experience: novice. I used to do a lot of repairs/maintenance on my own back when I had a truck, but I rarely even lift the hood on my vehicle anymore)



  8. #8
    DistrictCyclone
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    Re: whine during acceleration

    BTW, if it is a bad pulley, it's something you'll want to address; you won't want it to go out while driving. If it does, so goes the belt and you won't be able to power any accessories.

    I had this happen to me when the belt tensioner wheel gave out one winter on that vast expanse of nothingness between Pocohontas and Humboldt. I was still 10 minutes from a town, it was late at night, and the temp was below zero, so I kept going. You can still drive without power steering and a water pump, but not for long; my engine was as close to overheating as it could have been by the time I made it to a gas station.



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    Re: whine during acceleration

    I'm sure it is the salinium rectified .



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    Re:whine during acceleration

    Remove wife.



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    Re: whine during acceleration

    Quote Originally Posted by scottie33 View Post
    cymechanics,

    just recently I have noticed a whining sound as I push on my gas and when I relieve of the gas pedal the whining receeds...I got a new serpentine belt put in today but that made the whining worse. it is on the front right side of my 2007 altima. I am wondering if it is a bad pulley wheel, a bearing gone bad, the alternator, etc.

    thanks for all the help
    So you're married?



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    Re: whine during acceleration

    Quote Originally Posted by Mycology View Post
    Remove wife.
    By half a second



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    Re: whine during acceleration

    Wow, this just happened on my 2004 maxima a week ago. It eventu ally went away on the highway when I reached 50 or so mph. Once slowed down it did not come back. I took it in to nissan since I needed an oil change anyway. They could not find anything but the service manager said that symptom could be caused by a loose heat shield. Mine wasn't too loose, but they tightened it. Haven't had the problem since. The heat shield is used to prevent a fire if you park in tall grass



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    Re: whine during acceleration

    Quote Originally Posted by Fishhead View Post
    Wow, this just happened on my 2004 maxima a week ago. It eventu ally went away on the highway when I reached 50 or so mph. Once slowed down it did not come back. I took it in to nissan since I needed an oil change anyway. They could not find anything but the service manager said that symptom could be caused by a loose heat shield. Mine wasn't too loose, but they tightened it. Haven't had the problem since. The heat shield is used to prevent a fire if you park in tall grass
    I can easily see this problem arising if you drive a Maxima.


    Last edited by CyCrazy; 03-01-2012 at 06:42 PM.

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    Re: whine during acceleration

    Seriously, good luck to you. I have a 2000 Jimmy I've been chasing a squeal in for 2 years. I've changed idler pulley twice, tensioner once, A/C clutch and pulley, alternator and the belt at least a half dozen times. I've even had them check the alignment of my pulley's, still chirps under acceleration, but it's tolerable now.


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