Posted 4/25/2008 09:56 (#364958 - in reply to #364804) Subject: RE: Viscous fan drive JD9300
SE South Dakota
3 years ago my JD 8770 did the exact same thing you spoke on your tractor. I first replace the viscous fan drive ($700 + or -) and believe me nothing changed. Same problem. Next I replaced the coolant temperature sender, problem solved. That's where the problem was.
Jim J