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Transmission problem

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Old Dec 11, 2016 | 01:35 PM
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Transmission problem

I have a 2006 f250 5.4 4wd with 5r110w trans. Check engine light was blinking and then one day the tranny just stopped working in all gears. Engine code p0751 came up, shift solenoid "A". Changed it, code went away and still no gears. Checked pump pressure, good in all gears, all I can think of now is TCM, any suggestions would help
 
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Old Dec 11, 2016 | 09:04 PM
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Mark Kovalsky
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It's not the TCM. Put it in drive, then park. Do you hear a grinding noise? Will the truck roll more than a foot or two when in park? If the answer to either of these is yes, the problem is in the transfer case, not the transmission.
 
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Old Dec 13, 2016 | 05:16 PM
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Hi Mark, when I switch gears, I hear no grinding, the engine rpm goes down like normal. Truck does not roll in park
 
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Old Dec 13, 2016 | 09:26 PM
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Mark Kovalsky
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That says that the trans is the problem. I think the trans needs to come out and get torn down to find out what broke.
 
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