No power after replacing transfer case

1998 CHEVROLET TAHOE
185,000 MILES • 5.7L • V8 • 4WD • AUTOMATIC
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WEAVINGBIRD66
  • MEMBER
  • 2 POSTS
My transfer case went out. It got the infamous pin hole in the casing. I went to pic-n-pull and pulled another transfer case drained the fluids,(fluids very clean). replaced bearings and seals. installed it put in 4x4 shifted perfect into 4x4. In 2wd i go and push the gas and i have no power and seems to wind the rpm's to 3500 -3700 before shifting into next gear. also there is no kick in acceleration when i floor the gas pedal to pass another vehicle.
Apr 30, 2019 at 4:55 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,588 POSTS
Hmm,

Sounds like you left a ground wire off, let run the codes to see what comes up here is a guide to help us get started.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please run down this guide and report back.
May 2, 2019 at 7:02 AM
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WEAVINGBIRD66
  • MEMBER
  • 2 POSTS
The check engine light is not on and codes came back good
May 2, 2019 at 10:22 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,588 POSTS
It almost sounds like the gearing is wrong in the transfer case. Can you please shoot a quick video with your phone so we can see what's going on, that would be great. You can upload it here with your response. Is it making any weird noises?
May 3, 2019 at 5:13 AM
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