lube the cable...un-hook it from the trans, hold it up in the air, & put several drops of light (5W30) motor oil on the cable itself (not the outer housing) Hold it up in the air long enough for the oil to run its' full length (3 or 4 mins) I usually just wipe off my dipstick on the cable once or twice & this seems to do the trick. Worst case, you'll need a new cable...speedo is prob. still fine.