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'99 - '06 GM Truck Modifications
Tech Discussion
Vibration source chasing
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<blockquote data-quote="bigdogYJ" data-source="post: 20284" data-attributes="member: 11207"><p>You seem to have attacked a lot of the typical and some not so typical reasons that would cause this. Chasing down chassis vibrations can be tricky. Do you have access to a lift to get the tires up off the ground and run it up to ~40 mph? Maybe have the hood popped to keep an eye on the motor to see if it’s moving at all? That would probably be my next step. Any noise associated with the vibration? I bought a set of chassis ears a number years back to track down a hum in my wife’s Yukon. Ended up being the planetary pinion set in the awd transfer case. the chassis ears helped me narrow it down. But it usually works with noise not just feel.</p></blockquote><p></p>
[QUOTE="bigdogYJ, post: 20284, member: 11207"] You seem to have attacked a lot of the typical and some not so typical reasons that would cause this. Chasing down chassis vibrations can be tricky. Do you have access to a lift to get the tires up off the ground and run it up to ~40 mph? Maybe have the hood popped to keep an eye on the motor to see if it’s moving at all? That would probably be my next step. Any noise associated with the vibration? I bought a set of chassis ears a number years back to track down a hum in my wife’s Yukon. Ended up being the planetary pinion set in the awd transfer case. the chassis ears helped me narrow it down. But it usually works with noise not just feel. [/QUOTE]
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'99 - '06 GM Truck Modifications
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Vibration source chasing
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