Question about 2003 Ford Focus

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When driving makes loud humming sound in front end

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  • Master
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Usually when this occurs the tires are very chopped up or there is a bad wheel bearing.

Posted on Jul 04, 2010

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6ya6ya
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Posted on Jan 02, 2017

j_del
  • 1586 Answers

SOURCE: Alero loud humming/roaring sound coming from front end.

That's indicative of a wheel bearing, which is why you were told to change that out. However, it's also possible that the carrier bearings in the differential (where the drive axles attach) have gone bad. That happened to me on my 300ZX several years ago, and I had to replace the diff bearings. I would have them checked out somewhere other than a dealer (you'll probably get a better price from an independent shop).

As a sidenote, to be sure it wasn't a wheel bearing, if you hear it quiet down in a turn one way but get louder in a turn the opposite way, it's likely the wheel bearing. If you turn left at speed and it gets louder, then it's the right bearing (since you're loading up that side of the car). If it gets quieter in a right turn, it's the right side (you're unloading that side of the car and not putting as much weight on it, so it doesn't drag as badly). See if you get that symptom just to be sure that the wrong side front wheel bearing wasn't changed.

Posted on Sep 01, 2008

jrod1125420
  • 161 Answers

SOURCE: Front differential making a winding noise and ends in a loud thump.

sounds like you need your transfer case looked at and repaired.....that the only thing i can think of...hope it helps :)

Posted on Sep 30, 2008

  • 1 Answer

SOURCE: Loud humming noise from front

I thought MY HUMMING WAS A cv.... BUT TURNED OUT TO BE MY WHEEL BEARING

Posted on Jan 16, 2009

  • 3 Answers

SOURCE: My 04 ford explorer is making a loud humming noise

wheel bearings are worn out on the front, i had the same problem in my 2004 ford explorer just recently.

Posted on May 30, 2009

joehawthorn
  • 4 Answers

SOURCE: thumping noise in the front end

Rotate tires front to back and test drive if same thumping is felt then tires not the problem.
Next check out ball joints/ tie rods
Dont believe it is the rotors unless thumping happens only when applying brakes
Good luck

Posted on Jun 03, 2009

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