HELP tranny problems

so i jsut finished installing a cai, and y pipe on my max as im waiting to get new axles and my lil brother helped me in the install, after i put everything on i went to the kitchen to get some water all happy that i got this **** done, and then i hear my lil bro turnign the car on and start revign the engine , i didnt think nothign of it, then i hear a loud grinding sound..... i freaked out and ran back in the garage and my bro already turn the car off... i was heated and asked this mofo wtf he did and he told me he just turned it on to play with it and then try to put it into park to turn it off.


so i went to go turn the car on and sure enough the loud grinding sound is still there, i quickly switched it out of park into R then N and then D and there was no noise, so i though it was gone and i tried to put it back into park and there it is again, scared the **** out of me, i had to put it in N turn off the car then P then take out the key... mind you all this is WITHOUT the CV shaft in!!


can someoen with knowledge help me? WTF did this do to my car? am i phucked

im beat the **** out of this mofo tonight when hes sleeping too, ounk *** kids pleasse help!!!!111111