Transmission not shifting

1995 FORD F-350
191,000 MILES • V8 • TURBO • 2WD
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SAMOLI
  • MEMBER
  • 3 POSTS
Our transmission is having difficulty shifting into gears. It will give a hard shift when going into first gear. Second and third go in a bit more smoothly, but fourth never goes. In every case, the shifts are very late, and the rpm's are very high before it will finally shift.
I tried changing the VSS but that only made it worse. When it gets to around fifty mph the speed needle tends to flutter a little, not excessively, but enough to notice it. When I tried the new VSS the needle went crazy.

We are not sure if it is a different sensor or if we just need to take the transmission for a overhaul. It was fine, we made a long six hour trip with it home and then out of the blue this started. Your help is greatly appreciated. Thanks.
Jul 15, 2017 at 1:19 PM
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JIS001
  • CERTIFIED EXPERT
  • 3,412 POSTS
Remove the pan and check for excessive metal or clutch material on the pan. Also if fluid is burnt, and with the mileage I would recommend a complete overhaul.
Jul 15, 2017 at 7:31 PM