1996 Chevy Tahoe high frequency vibration in accelarator pe

1996 CHEVROLET TAHOE
187,000 MILES • V8 • 2WD • AUTOMATIC
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HALLJIM
  • MEMBER
  • 1 POST
I get a high frequency vibration in accelarator pedal
when I first take off at about 1200 rpm and also
while driving about 35 to 40 mph

what might be causing this
May 21, 2008 at 6:30 AM
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PEAR69
  • ✓Experienced Mechanic
  • 1,482 POSTS
How many hertz is the frequency? -------------
Just kidding, It sounds like a universal joint problem or a differential pinion bearing problem. 187000 miles --- probably both. Check the brake rotors for warpage also, but I doubt this is the problem. A warped brake rotor will act like this all the time.
May 23, 2008 at 7:26 PM
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