BROKEN U - JOINT

  • Tiny
  • Bob502
  • 1999 GMC Sierra
  • V8
  • 4WD
  • automatic
  • 250,000 miles

My rear u-joint snapped while in use, the park brake was on and the gear was in neutral and while the motor was revving, it was thrown into drive and then the ujoint snapped. The shaft is fine, what should I check before reconnecting the ujoint.

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Saturday, October 1st, 2011 AT 6:43 PM

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  • Tiny
  • hmac300
  • Expert
  • 44,425 posts

Just check the driveshaft for cracking around the ujoint and use new bolts and straps to hold the ujointin place. Check the pinion for any breakage where it bolts up.

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Saturday, October 1st, 2011 AT 6:45 PM
  • Tiny
  • cadieman
  • Member

Remove the drive shaft and replace both. This is something a expert has to do. Call local machine shops in your area to get a price.

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Saturday, October 1st, 2011 AT 7:14 PM

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