loose timing belt not frayed broken teeth missing or anything like thAT

What is your question?

EVER SINCE THE TTMING BELT WAS CHANGED THERE HAS BEEN A RATTELING Noise we thought i screw was loose since then the car just stopedthe heat stoped working inside the ca r the cooling fan combo was replaced then we were told replace the spakplugs we ck the timing belt it loose nothing wrong with it when u try to start car belt jumps im on a fixed income these have gotten over 475 of me and my car still wont start whAT is reall y wrong with my car