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TrailBlazer 2002-2009
2023- The TrailBlazer, originally introduced as an upscale Blazer, was produced from 2002 to 2008 with a powerful I6 engine and with a monster V8 offered in the Trailblazer SS
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Humming noise

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Old December 27th, 2017, 1:11 AM
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Default Humming noise
I have a humming noise coming from the front left tire of my 2007 Chevy Trailblazer. Turning right it gets louder but disappears when turning left. It is constant while driving straight. Was told it may be an alignment issue but tires look fine with no abnormal wear. Could it be a bearing or possibly a hub?
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Old December 27th, 2017, 8:35 AM
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Yes I would be leaning towards a faulty hub/bearing . They seem to go between 100k and 125K . Have done one of mine so far .
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