I have a 04 3.0 mercruiser alpha one outdrive with stiff steering. I unhooked the cable behind the motor and the steering wheel turns fine, but outside the boat the outdrive is VERY hard to turn and makes a screeching noise when it's all the way to one side. I figure it's the swivel shafts. Any tip on a fix for this? This boat is new to me and I'm pretty sure it has sit alot the past few years....