MY 98 TOYOTA 4RUNNER IS VIBRATING REALLY BAD WHEN I HIT 55MPH?

  • Tiny
  • kittyluv56
  • 1998 Toyota 4Runner
  • 270,000 miles

And sometimes a little under that speed. Is it only the u joints or could it be something else?The tires are good and balanced. The vibration isnt in the steering wheel ut seems to be underneath

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Thursday, November 24th, 2011 AT 11:07 AM

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  • Tiny
  • rivermikerat
  • Member

U-joints usually cause vibrations under acceleration or deceleration, not at specific speeds. Wheels out of balance typically cause speed-specific vibrations.

Firmly set the parking brake and put the transmission in gear (manual trans) or in Park(automatic). Block one rear wheel and raise the other side of the vehicle. Slide underneath and grasp the driveshaft. Shake it back and forth and twist it. There should be no play between transmission output shaft yoke and driveshaft and the rear driveshaft yoke and the rear differential input yoke.

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Sunday, November 27th, 2011 AT 3:53 AM

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