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Humming Noise

This is a discussion on Humming Noise within the GTO forums, part of the Vehicle Specific category; There is a strange humming noise while driving that I cannot pin point as to where it is exactly coming ...

  1. #1
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    Humming Noise

    There is a strange humming noise while driving that I cannot pin point as to where it is exactly coming from. The pitch changes depending on the speed I am driving so I am thinking it is the hub assembly but not sure which one. Is the 04-06 GTO's known for this and are they easy to replace? Does anyone have directions on how to change one out? Any help would be appreciated. Thanks

  2. #2
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    VW BEETLE W/ FLOWER
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    are you sure it is not coming from the rear of the vehicle?
    the GTO's have noisey rear ends

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    It appears to me it is coming from the right front. It is a noise I am pretty sure was not there before. I have changed the differential fluid thinking that maybe that needed to be changed just in case but that did not seem to make any difference.

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    Junior Member buiick's Avatar
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    make sure to ck. your alternator!!!!!!!!!!!!!!!

  5. #5
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    VW BEETLE W/ FLOWER
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    a wheel bearing wont make a humming noise. more like a grinding or growling type noise. and if it was the rear end...there pretty much stuck with it. thats a normal operation

  6. #6
    Smiles for 9.5 Years cammed goat's Avatar
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    Could be a wheel bearing. Or you might have a case of strut rub. Also, the GTO rear can hum as well...mine is currently doing that.

  7. #7
    Junior Member MNGTO's Avatar
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    Does the noise change pitch when you turn to the left or right?

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    Here is a bit more info on the issue. The humming noise is at its worst at 35-40 mph and even though it fades when turning the steering wheel it does not completely go away. The right front which is where I think it is coming from has a new tire on it (hit a curb with the previous one). Upon inspection of the tire I noticed that there are some deep cracks on the outside part of the tire almost by the side wall but still in the tread area. I went a step further and let some air out of that tire (about 7 lbs) and noticed that the sound seemed to be reduced. So at this point I think it is the tire. What do you think?

  9. #9
    Smiles for 9.5 Years cammed goat's Avatar
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    Sounds like a defective/old tire that is dryrotted. Look at the DOT number on the sidewall. If you can get a pic, post up. I deal with tires on a daily basis. There is a law being put into effect that if a tire is over 5 years old, the tire needs to be replaced immediately...yah, tires have a shelf life.

    Just a heads up.

  10. #10
    Smiles for 9.5 Years cammed goat's Avatar
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    Phantom Black Metallic
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    Oh...another thing I have noticed, Armor All tends to dry tires out as well.

  11. #11
    Junior Member MNGTO's Avatar
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    I agree with the tire being the issue. Like cammed goat said, check that DOT number. If you recently had it put on I would go back to them.

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    The picture is not coming up that well but the DOT # is PJ8R 23KR. The tire is a Douglas Performance GTD-H 245/45/17.

  13. #13
    Smiles for 9.5 Years cammed goat's Avatar
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    Ummm...you put an H rated tire on a car with W rated tires?

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    Ya ya I know, that is what the tire place said was compatible with the car. I found the rating thing out after the fact.

  15. #15
    Smiles for 9.5 Years cammed goat's Avatar
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    Actually H is compatible with W, but there will be noise as, if I remember correctly, H is a harder compound. And I think you will have less grip with an H. I take it the shop didn't have W rated tires? I know the shop I used to work for subbed H's for W's...which I never agreed with.

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    I found out that they did have W rated but after I discovered more about the tire ratings, besides the new tire was the same tire the car already had on it and I wanted them all to match.

  17. #17
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    So all 4 are H-rated? Be careful with those.

  18. #18
    Junior Member MNGTO's Avatar
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    When I bought my car they had a set of cheap H-rated tires on and the car drove like crap. There is a big difference in handling between H and W rating.

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    Just bought new set of Firestone Firehawk Wide Oval tires which are W rated.

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    Quote Originally Posted by Whatarush View Post
    Just bought new set of Firestone Firehawk Wide Oval tires which are W rated.
    good. underrated tyres are a menace and you can compromise your car's handling and your own safety


    Mike

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