1993 GMC Truck Pops out of fourth gear

Tiny
TXBWJ
  • MEMBER
  • 1993 GMC TRUCK
  • 6 CYL
  • 2WD
  • MANUAL
  • 128,000 MILES
Hi, I have a 93 gmc sierra stepside, five speed. It is difficult to get into fourth gear, and then pops out of gear. All of the other gears work just fine. Could this be a slave cylinder problem?

I do notice a whine sort of like a power steering pump going out, but the power steering pump is fine and the noise goes away once shifted to third gear, any ideas.
Monday, October 12th, 2009 AT 9:35 AM

1 Reply

Tiny
MICKEY-D
  • MECHANIC
  • 304 POSTS
I think you have got a bad synchronizer, and probably a badly worn 4th gear. The whine that you hear is probably a bearing noise. You are going to need to pull out and rebuild your trans.
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Thursday, December 31st, 2009 AT 10:31 PM

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