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troubleshooting
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  1. General
    Yesterday I started my 06 Envoy and as soon as it started a thumping sound was heard from above the rear passenger tire between the panel. It lasts for about 5 minutes and then stops until you have to turn the car back on again. Sounds almost like a broken belt of some sort smacking against...
  2. 4x4 Drivetrain
    Hey wrench heads, need some opinions before I start throwing parts at it. 03 Tb LS I6, 185000miles. The sound(rumble) starts at low speed and increases on acceleration and rumble stays consistent at 50 and above. No vibration in steering wheel, but rumble after 40mph feels like subs bumping...
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