Question about 2004 Chevrolet TrailBlazer

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How can you tell if the front hub assembley needs changed. There is a loud noise that gets louder as you pick up speed. I was told it was the front wheel bearing but there is no wheel bearing just the front hub for replacment parts.

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There is a wheel bearing inside the hub as well. They will sell those bearings I've bought them before. Chances are you need to talk to a better parts guy. You can tell if it's a wheel bearing by taking the vehicle up to a speed where the noise is clearly audible. Then swerve the vehicle back and forth in your lane. If the sound changes or goes away when you swerve, it's a wheel bearing. Obviously we're not trying to crash the vehicle here, so don't get over aggressive with the swerving.

Posted on Nov 12, 2009

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The bearing is in the hub but you do need to replace the hub because the bearing is not serviceable.The noise should go lower around a turn in one direction but not the other if it is a wheel bearing.

Posted on Nov 12, 2009

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