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The motor on the tcase seems to be working. When the 4hi is pushed the front drive shaft locks into place but the front axle does not engage. Now I am looking for a scan tool to locate codes for the...

I went ahead and replaced the front Diff actuator for the 4wd and still nothing has changed. I will have to look deeper into the tcase I think. But for the life of me I still can't understand why...

Over the THanksgiving holiday I was able to tinker around with this t case. I was under the suburban and had my daughter push the button for the 4wd and I could hear the motor at the Tcase actuate...

It is a 7.4 liter motor.
Where is a good place to purchase that motor? Napa? Autozone? Etc.?

This is just a bolt on and go thing right? Not calibration or linkage adjustment needed?

Not sure where to post this question.
I have a 99 chevy suburban k2500 with a 4l80e tranny I just had swapped out. but now I am in need of getting the 4x4 transfer case working. It will not engage...

I took it to the chevy dealer for them to analyze and they came up with Code 1870. They and several others say change the whole tranny out... the cost is so large. But chevy has the best warraanty so...

Well today I broke down and took the suburban to the chevy dealer to have them use their special tools to check out what is going on with my tranny. Codes P1870 was hit for tranny component slipping...

This must of began about a month ago.
I have taken it in for codes and nothing was found.

As for the Harsh/rough... out on the freeway it was a smooth downshift or unnoticed downshift with the...

Can't seem to figure out why my 4l80E is shifting rough after it warms up. It is on a 99 suburban w/7.4 liter k2500. I have given the engine a tune up. Flushed the Tranny fluid and filter change. ...