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Tim, Ford Technician
Category: Ford
Satisfied Customers: 1044
Experience:  23 years Dealership experience, Ford Senior Master Technician since 2000, ASE Master since 1985
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2004 Ford F-150: 4X4..stop working..overdrive it is just like nuetral

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I have a 2004 Ford F-150,5.4, 4X4, with 55000 miles. Overdrive just stop working, when the trans shifts into overdrive it is just like nuetral. I have to drive the truck wit O/D off. The transmission is full of fluid, not burned, and the truck is only used to go to work and back.
What do you think the problem is?



My first suspicion is that the overdrive servo has a broken retainer clip. This is mounted under the valve body. I have had several that the clip breaks and then lodges in the valve body. I have even had some that the servo piston and/or spring is damaged. If this is all ok, then you most likely have a failed band. You will need to remove the pan, filter and main control valve body to inspect it.


Overdrive Servo



Let me know if you need more information or assistance.




Customer: replied 7 years ago.
Will it damage the transmisson more if I drive it to a transmission shop?


The best answer I can give you is most likely not. If it is a broken servo, then you will not do any more damage. If by some odd chance there was something broken that was grinding up more metal you may make some more metal shavings, but this is highly unlikely. I am sure you will be quite fine driving it to wherever you need to. Let me know if you need more help.




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