First, the trans started leaking in the front [front seal] probably , but after this horrible ping and ting noise started only in gear worse in reverse, sounds like , flywheel maybe dont know, has any one ever had this noise, problem before .

 

nope not me

 

might want to go to the intros section and tell us who you are

 

Might try checking for loose fly wheel bolts

 

Another classic case of not enough information provided by the OP to make any sort of diagnosis.