92 Accord Gear Shift Hard to Get In and Out of Park

I've got a 92 Accord Lx 4 door automatic with 200K on it. When the 
weather started warming up the gear shift started to stick.  It's very 
hard to get in and out of park now and the parking claw(not sure this is 
the correct name) doesn't always engage. Can this be fixed or do I need 
a new cable.  A dealer wants $350 to replace the cable.  Any idea on how 
hard it is to replace the cable?

Thanks