Question about 2004 Chevrolet TrailBlazer

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Tire thumping in all 4 wheel drive

My 04 trailblazer has 2whl drive, all 4 whl drive, 4whl hi and 4 whl low. when i have it in all 4 wheel the rear tires sound and feel like they are completely flat. i get out and looked all tires are properly inflated. its kinda like they are trying to get a grip on ice/snow but cant then there is a thump and it keeps thumping like they are flat. what can this be?

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  • Anonymous Jan 09, 2009

    i have done further research and i`m not alone on this issue. apparently it is normal. when it is in all 4 wheel drive the sensors for traction control are always making adjustments to ensure that all 4 tires maintain equal amounts of control for safer driving. these sensors are always picking up the road conditions on all 4 tires. thank you for trying to help.

  • Anonymous Mar 13, 2014

    was told I had cracked wheel replaced it still have same oroblem



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Coming from the rear? I could see the noise coming from the front if your axels are bad. It seems weird cause the vehicle would make noises like that in normal driving because they dont change when you switch to 4 wd

Posted on Jan 08, 2009


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