2.5 Trans w/Reverse HELP!!!!!!!!

[Chazz]

I striped one of the gears, replaced the gears, Put everything back together &
now it don't roll.the rear wheels spin one way, the front wheels spin the other way. I also took the diff's apart to clean & lube can someone help before I tear it all apart....... thanks chazz..

 

[Rolex]

You put a diff in upside down. You're not the first.

 

[RC Addict]

Nor the last I bet...

 

[Rolex]

With the rig set in forward gear, if the front wheels turn in reverse, flip that diff. If it's the rear, flip that one.

 

[Chazz]

I"m guessing the front diff is upside down. thanks chazz