Question about 1999 Chevrolet Silverado 1500

2 Answers

Vibration at 60 and 70 mph

Its like a flutter but i don't know wher e it coming from

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  • btfd27 Sep 13, 2008

    My truck has the same thing going on, but mine starts at 50-60 mph and I seem to feel it more in the gas pedal than the steering wheel. I also notice the mirrors are vibrating and distorting the view.

  • Eric Stenberg Mar 07, 2009

    1997 chevy truck 350k miles



    between 60-65 gets a flutter type vibration that lasts only a few seconds then goes a way for 5 minutes or so, then comes back now and again. Local shop took the rear end apart and found nothing wrong. They said af first that the vibration seemed to be coming from the rear end and wanted 1200 to rebuild the rear. Then they took it apart and found nothing wrong. Now they believe it may be coming from the transfer case????? But they aren't sure.........

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Start by inspecting your tires. Look at tire ware, any tire separation (bubbles). Look at you wheels to see if you lost any wheel weights. Look at your driveline, wiggle it at the Ujoints to make sure they are tight. These are good starting points.

Posted on Jul 12, 2008

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Do all the usual things for vibrations.....Tire and wheel balance and rotation,check driveshaft u joints and tailshaft bushing and yoke wear or play.I would look on All Data for any technical service bulletins from Chevrolet.Visually inspect suspension rubber bushings,and check balljoints for tight.Visually inspect shock absorbers.A better description of the vibration might help.Is the vibration sensitive to,or linked to,throttle position at those speeds?Load?

Posted on Jul 12, 2008

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