Question about 1993 GMC Sierra K1500
It started to slip in 4th ,if I let off it then stepped back into it down shifting it to 3rd it would be fine it seemed to do this at about 40 or 50 mph It shifted 1st,2nd,3rd, then nothing in fourth I tried down shifting it I had nothing in any gears , Is this a torque converter problem or a transmission problem or both ,it seemed to shift fine before this and didn't feel like it was slipping in any of the other gears besides what I discribed in 4th .
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Posted on Jan 02, 2017
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Sep 10, 2016 | GMC Cars & Trucks
Two forward gears only
Gear missing or slipping
No upshift or slipping upshift
Non-First gear start
Refer to First Gear Range Only - No Upshift .
Refer to Third Gear Only .
Refer to Second/Third Gear Only or First/Fourth Gears Only .
Refer to Slips in First Gear .
Refer to Slipping or Harsh 1-2 Shift .
Refer to No 2-3 Shift or 2-3 Shift Slips, Rough or Hunting .
Refer to No 3-4 Shift, Slips or Rough 3-4 Shift .
Refer to No Part Throttle or Delayed Downshifts .
Refer to Second Gear Start .
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