Do you have a Sears xxx.xxxxx model number so we could look up an exploded view?
It sound like you might get away with only replacing the smaller gear. But you will also want to check how much play is in the shaft of the steering column and make sure the support bearings on it are still tight enough to hold the gear where it needs to be on the half moon gear. You don't want to take out the new gear(s) right away due to loose shafts on either the steering column or the half moon gear.
It sound like you might get away with only replacing the smaller gear. But you will also want to check how much play is in the shaft of the steering column and make sure the support bearings on it are still tight enough to hold the gear where it needs to be on the half moon gear. You don't want to take out the new gear(s) right away due to loose shafts on either the steering column or the half moon gear.