99 gmc yukon 4 wheel drive possible transmission issue

Asked by May 16, 2017 at 03:02 AM about the 1999 GMC Yukon SLT 4WD

Question type: Maintenance & Repair

So i replaced my 4 wheel drive 99 gmc yukon's transmission and was able
to drive shortly it was rough to shift so i took it back to the house see if i
missed any connections, i hadn't. I then tried driving again about 4 miles
into the drive i lose all ability to accelerate. my engine revved up but I lost
my torque. i let the vehicle sit for about a week i then changed the breaks
and again was able to go four miles then the same thing happened. engine
revved but no torque. no forward momentum. again i take the vehicle home
and let it sit for a week go back and change the encoder motor or transfer
case motor ive seen it both ways anyway same thing four miles lose torque
engine revs but cant accelerate. so i will be changing the torque converter
tomorrow to see if that fixes my issue unless someone says something that
makes more sense thank you all

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