transmission grinding and not moving

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I just installed my new motor and I put it into reverse and moved 10 feet then it stopped and then I put it into drive and it started grinding. When I shift it into gear with the coloum it grinds in every gear as well as it won't go into park with the column, I have to go underneath and push it with my hand. I replaced the shift cable and the NSS already. Any suggestions, I believe I cracked the fluid pump in the transmission. I also pulled the pan and nothing alarming in there.
 

stutaeng

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Hard or impossible to tell. Grinding usually means something bad happened internally...

Did you check the torque converter spacing against the flex plate? 1/8 to 3/16". Possible that pump got wiped out. Hooking up a fluid pressure guage will tell you if that's the case.
 
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4x4 4l60e with np241c transfer case and when it grinding I can hear it coming from the tranny.
 

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