WHY DOES MY GMC V30 4SPEED DUMP TRUCK JUMP OUT ...

  • Tiny
  • Anonymous
  • 1987 GMC Truck
  • 185,000 miles

Why does my GMC V30 4speed Dump truck jump out of 3rd gear.

Saturday, November 24th, 2012 AT 6:30 PM

1 Answer

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,555 posts

Syncro is bad and must be replaced.

Roy

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Saturday, November 24th, 2012 AT 6:31 PM

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