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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Transmission Problems

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Old Jan 2, 2016 | 09:44 PM
  #1  
fancyvern's Avatar
fancyvern
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Transmission Problems

I have a 1994 F-350 dual rear wheel with a 460 AOD Transmission. The engine and trans. have never had any problems. What it does is when the truck shifts it shifts like it has the vacuum hose off on a C-6. Shifts harsh and if you let up it free wheels. It does not do this all the time but more than not. Did they have problems with the wire connector at the pass. side of the trans.? Change the fluid every 40,000. It does it with nothing hooked on and it does it also while pulling a load. Thanks for Reading
 
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Old Jan 2, 2016 | 09:54 PM
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danr1
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Run the self test and see what the computer has to say about it.

If you don't have a code reader (Product Detail),

You can follow the directions here to do so without one,

Ford Fuel Injection » How To Run a Self-Test
 
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Old Jan 3, 2016 | 11:11 AM
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rla2005
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You do not have an AOD behind that 460, it's an E4OD. The former is a mechanical transmission and the latter is 100% electronic controlled.

As previously suggested, check for codes.

And yes, Ford did redesign the connector on the MLPS in 1995. Less susceptible to moisture intrusion.
 
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Old Jan 3, 2016 | 12:18 PM
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I would check the mlps(neutral safety switch )
I have a 96 f250 (460,e4od) that just randomly it would start shifting weird and slipping gears.I checked resistance on the mlps and replaced it been working good
 
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