When truck is put into park and keeps rolling?Is this the trans letting go on 1997 Toyota T100

Truck was making noise everytime step on accelorator

1 answer 1 comment
POSS PARK LOCK IN TRANS IS BAD COULD BE A SOMEWHAT MINOR REPAIR
ok we found out it is the rear end? what exactly do I look for? The axl is good, the garage said he blew out rear end