Transmission will shift but not move!! It worked before we put the new engine in. Any

Babas11911

Original poster
Member
Aug 15, 2012
22
So we put our new engine in which runs great and we put the torque converter in turned it three clicks so we know its right. Everything is hooked up right. When we put it in gear it will not move at all. I know the transmission ran when we first got it and now I cant figure it out. Please any Ideas?
 

NJTB

Member
Aug 27, 2012
612
Flemington, NJ
Check the fluid.
Make sure the shift linkage is on correctly.
If the above don't work, take a pressure check on the trans. You'll have to hook a gauge up to the cooler lines.
 

lynam

Member
Feb 19, 2012
1
Did you happen to forget the torque converter bolts? (to flex plate on engine)
:eek:

Also like said above make sure you triple check the fluid level if a tranny is half full it will not move forward at all.
 

McGMT

Member
Jun 17, 2012
621
lynam said:
Did you happen to forget the torque converter bolts? (to flex plate on engine)
:eek:

Also like said above make sure you triple check the fluid level if a tranny is half full it will not move forward at all.

Whoops... It does sound like its not engaged...
 

Mooseman

Moderator
Dec 4, 2011
25,177
Ottawa, ON
Isn't this the one where you replaced the pump in the transmission? Did you follow a manual or something? Transmission internals are a lot like black voodoo. A lot happening inside but don't know how it does it or how to fix it. :eek: The one thing I have never taken apart except for a fluid and filter change.

Maybe the pump isn't primed. I know it's a gerotor pump so it should self prime but did you put some oil in it to get it started? What about the torque converter? Since the torque converter was nearly empty, most of the fluid in the pan probably was used to refill it so re-check the level while it's running.
 

JimHTP

Member
Jul 30, 2012
27
I've had the exact same issue, only thing I could conclude was pump damage. Have you compared fluid level in the trans dipstick hot to cold? It should go down when the truck starts I'm told.

Also, you can un-clip the line from the transmission to the cooler and see if fluid comes out. If not, pump no workey.
 

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