Follow the line into your tranny. Its one simple 716" (?) bolt holding it in there.
Pull the unit (waht on the end of the cable) out of the tranny. Look if the gears are nice and "soup can square" or more like an "hourglass" or even missing teeth.
The gear is under $15 from a dealership.
Its the black plastic thing at about 70% from the left on this photo:
