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post #1 of 3 (permalink) Old 11-08-07, 09:53 AM Thread Starter
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confused 02 ford explorer 4x4, loud noise from the front

The noise is a real loud humming noise when you get going over 25mph. I was told it could be the wheel bearing. I changed it, 300 dollars later and the noise is still there. Is there any thing else that could be making this noise. Now it get loader and loader when I get going faster. And if I take the wheel and go back and forth on the interstate, Not enough to change lanes but just to distibute the weight it gets loader and softer. Is it possible that possible that both hub assemblys went out at the same time, or is there anything else I can check. Thanks.
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post #2 of 3 (permalink) Old 11-12-07, 09:50 PM
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Re: 02 ford explorer 4x4, loud noise from the front

You can check the wheel bearings yourself by lifting the tire 2" off the ground, put one hand at the top and one hand below the wheel and rock it towards you. If it moves you know that that bearing has play and should be replaced. You can also check the CV joints and make sure everything under the front end is secure.

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post #3 of 3 (permalink) Old 11-15-07, 04:00 AM
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Re: 02 ford explorer 4x4, loud noise from the front

Quote:
Originally Posted by chuckc417
The noise is a real loud humming noise when you get going over 25mph. I was told it could be the wheel bearing. I changed it, 300 dollars later and the noise is still there. Is there any thing else that could be making this noise. Now it get loader and loader when I get going faster. And if I take the wheel and go back and forth on the interstate, Not enough to change lanes but just to distibute the weight it gets loader and softer. Is it possible that possible that both hub assemblys went out at the same time, or is there anything else I can check. Thanks.
Hi Chuck
Start out by doing the simple stuff first. Rotate your tyres back to front and see if the noise goes with the tyres, 80% of the time humming noises are caused by unevenly worn tyres. You've already looked at the bearings from what I understand, so if tyres are ok have a look at the front diff oil, level and quality, if it looks like it needs replacing change it, and when you drain it look inside the oil for metal particles, if they're there, more than likely the diff is the source of the noise. Sometimes just changing the oil eliminates the noise. See how you go. cheers
Marc
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