alright heres the problem when i try to back up in 2wd my reverse acts like it pops out of gear at higher rpms but when i bearly touch the gas and creep back works a lil but then if i lock the hubs and lock 4wd in works fine i can back over anything help please been like this for like 2 yrs lol previous owner didnt take care of the truck!!

 

And this is only in reverse?

 

Yes only in reverse drive is perfectly fine

 

wait, is this an auto?

 

yea auto