Noise coming from front end... please help
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Noise coming from front end... please help - 11/14/2004 4:21:32 PM
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desertirish
Posts: 4
Joined: 11/14/2004
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I have a 1996 4 dr, 4wd with the 4.3. There is a vibrating humming noise coming from the front end. You can hear it from about 40 up to 60, being the loudest at 50. If the truck bounces up, noise goes away and comes back when the truck comes down. Also, the noise will go away if I make a right turn, stays there in a left turn. This is really bothering me, nobody can tell me what it is without me spending 75-100$ an hour... can't do that. Any help would be appreciated. Thank everyone.
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RE: Noise coming from front end... please help - 1/24/2005 2:12:16 PM
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ballpark
Posts: 4
Joined: 1/24/2005
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Sorry to say the problem is a bad wheel bearing. It sounds like it is just starting to go bad. Pretty soon you will hear it at all speeds. Sounds like its the passenger side being that when you make a right turn you are taking the load off of the passenger side wheel causing the sound to dissapear. Cost: If you get it done at the dealer around $500. If you buy the part alone its $220 and comes with a new ABS sensor (if you don't have ABS I bet the part is cheaper). I just replaced mine, took about 1.5 hours. Let me know if you need more information, or instructions to replace it.
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RE: Noise coming from front end... please help - 1/18/2006 6:38:23 PM
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brownee
Posts: 18
Joined: 1/9/2006
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I have the exact same problem. Can you please forward me the details on how to fix it.
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RE: Noise coming from front end... please help - 1/18/2006 6:42:31 PM
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ivannj
Posts: 321
Joined: 11/2/2005
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It can be bad tire balance or bad tire to so don't rule this one out either. Make sure you have all the balancers on the rims and check your tires for any bubbles.
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RE: Noise coming from front end... please help - 1/18/2006 6:46:04 PM
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brownee
Posts: 18
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Even if you can hear it from about 40 up to 60, being the loudest at 50. If the truck bounces up, noise goes away and comes back when the truck comes down. Also, the noise will go away if I make a right turn, stays there in a left turn.
Could this still be a balance problem or is it definitely a bad bering?
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RE: Noise coming from front end... please help - 1/18/2006 6:50:32 PM
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ivannj
Posts: 321
Joined: 11/2/2005
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If your are lucky its just a balance or bad tire but I really can't tell from your disriptions. One of my cars did that and I changed the front tires to the back and then the back started to do it so it was a bad balance try that changing your tires to the back.
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97 Blazer LS 4wd 4.3l 2dr 71,000 miles
E-fan, Low Drag Pullies, Intake, Gibson Exhuast, B&M Deep Tranny Pan, B&M Shift Plus, Hypertech Tuner, TB Spacer
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RE: Noise coming from front end... please help - 1/18/2006 6:51:42 PM
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swartlkk
Posts: 14499
Joined: 5/1/2005
From: Waterloo, NY
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Can you feel the vibration through the steering wheel or through the seat?
Wheel bearings can be checked fairly easily by jacking up the suspect corner and putting your hands at 12 & 6 o'clock and pull out at the top while you push in at the bottom, then push in at the top and pull out at the bottom. If the wheel moves, your wheel bearing is bad.
The thing with this problem that leads me away from an out of balance wheel is that it goes away when the suspension rises over a bump, relieving pressure off of the wheel, but I have to wait to hear back from the two of them about where they are feeling the vibration through.
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RE: Noise coming from front end... please help - 1/18/2006 6:53:21 PM
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swartlkk
Posts: 14499
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From: Waterloo, NY
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quote:
ORIGINAL: brownee
Even if you can hear it from about 40 up to 60, being the loudest at 50. If the truck bounces up, noise goes away and comes back when the truck comes down. Also, the noise will go away if I make a right turn, stays there in a left turn.
Could this still be a balance problem or is it definitely a bad bering?
Does your noise get worse on left turns?
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RE: Noise coming from front end... please help - 1/18/2006 6:55:03 PM
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brownee
Posts: 18
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Yes on left turns. I feel the vibration more in the pedal. I will try moving the wheel on a 12 and 6 pivot.
thanks
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RE: Noise coming from front end... please help - 1/18/2006 6:57:08 PM
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swartlkk
Posts: 14499
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From: Waterloo, NY
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Ok, jack up the right side. When you make a right turn, the right hand side of the vehicle lifts and the left squats. So there is less pressure on the wheel to the inside of the turn. I'm betting you'll find that the right wheel bearing is sloppy. Good luck and let us know.
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RE: Noise coming from front end... please help - 1/18/2006 6:58:02 PM
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20Blazer00
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If you want to make sure just rotate the front tires to the rear and rear to the front. That will tell you if it is related to the tires or not. If the noise is still there then it maybe wheel bearing or some other component that is related to that area.... front axle connection to the hub???? just not sure until you lift the front tire and check for bearing tightness...
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RE: Noise coming from front end... please help - 1/18/2006 6:59:52 PM
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swartlkk
Posts: 14499
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The reason why I did not suggest the tire rotation method is because tire imbalances are normally felt through the steering column more than the chassis. Wheel bearing problems on the other hand are typically felt through the chassis before the steering column.
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RE: Noise coming from front end... please help - 1/18/2006 7:11:34 PM
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mdhokenson
Posts: 25
Joined: 5/21/2005
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Sounds like the same problem I am having and I am sure that it is my bearing. FYI - Advance Auto has a Dynapak Hub/Bearing assembly for $136 on their website. That's the best deal I have been able to find.
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RE: Noise coming from front end... please help - 1/18/2006 8:04:33 PM
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Paddle_grl
Posts: 2944
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I got one for 145 up here in the north woods...front bearing...paid 70 dollars to get it installed at my local tire shop...(don't have the means to change it myself)
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RE: Noise coming from front end... please help - 1/20/2006 10:50:00 AM
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Hanr3
Wheels & Tire Moderator
Posts: 3482
Joined: 5/11/2005
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An improperly worn tire will also cause vibrations and noise at certain speeds. Run your hands around the tire. Do you feel high/low spots? Do you feel sharp edges? Do you see high/low spots?
Most alignment shops will do a free front end inspection to help pin point where the problem lies. Get the free estimate and post up what they find.
If it was a grinding noise, then I would say its your wheel bearing. What your describing sounds more like a tire out of round.
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RE: Noise coming from front end... please help - 3/28/2007 4:07:55 PM
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gizwilly
Posts: 50
Joined: 10/30/2006
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quote:
ORIGINAL: swartlkk
Can you feel the vibration through the steering wheel or through the seat?
Wheel bearings can be checked fairly easily by jacking up the suspect corner and putting your hands at 12 & 6 o'clock and pull out at the top while you push in at the bottom, then push in at the top and pull out at the bottom. If the wheel moves, your wheel bearing is bad.
The thing with this problem that leads me away from an out of balance wheel is that it goes away when the suspension rises over a bump, relieving pressure off of the wheel, but I have to wait to hear back from the two of them about where they are feeling the vibration through.
I'm chasing a noise that sounds similar. I jacked the Blazer (95 4dr,4wd) up and did the 12-6 push/pull. Both sides have no play at all, near as I can tell. However, when I try a 3-9 push/pull I do get a bit of play. I'm assuming that wouldn't be a bearing, or even the source of my noise, but I'm wondering that's considered normal or if it's something else I need to pay some attention to?
Thanks!
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RE: Noise coming from front end... please help - 3/28/2007 6:01:49 PM
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blazerlt01
Posts: 281
Joined: 1/15/2007
From: Chicago
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hm it sounds like a wheel bearing just starting to go, and if it is these are pricey. take it too a tire shop. i know the shops by me ie(ntb,sears) do a free front end check to make sure everything is legit goodluck
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