clicking noise in all gears
 

when i start my car there is a clicking noise around the trans. when i push the clutch in it stops. but when i go back into 1st, 2nd and 3rd it is clicking while i drive but it goes away in 4th and it starts again in 5th ? i need some help on this? what do you think it is ??? and it is on a 86 rx7 non-turbo