My 1993 GMC G2500 van jerks and shakes from back end at constant speeds of 45MPH+.

Tiny
JBUMGARDNER4
  • 1993 GMC VAN
  • 138,000 MILES

My van will jerk at a constant speed of 45MPH or more. It is a continuous jerking motion and will sometimes make clanking noises. Is this typical of a rear axle issue or something more like the U joint or drivetrain?

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Wednesday, May 2nd, 2012 AT 12:57 PM

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Tiny
HMAC300
  • EXPERT
  • 47,032 POSTS

Check the whole drivetrain. It could be more like ujoints or center support bearing if yo have one.

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Wednesday, May 2nd, 2012 AT 2:41 PM

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