We may have found other answers which could help you.
Click here for Riding Mower Change
Sears 30" rear engine rider won't turn off with the starter key?
Screaming tiller?
transmission sears 917.2555581?
Mower cranks when primed, but after running a second or two dies?
Sears 151/2 46" automatic drive 917.256552?
What is the problem with my Sears Garden Tractor?