5R55S always in reverse | Ford Explorer Forums - Serious Explorations

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5R55S always in reverse

Nkkls18

New Member
Joined
March 31, 2020
Messages
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City, State
Hannibal, MO
Year, Model & Trim Level
2004 Mercury Mountaineer
I have a 04 Mountaineer 4.0L with the 5R55S. I just finished the rebuild from having a planetary explode and now after getting everything back together it will only go into reverse. I had my forward gears before but only up to 25 MPH and no reverse. Now I have reverse no matter where I put the gear selector. It even goes in reverse when Neutral and Park are selected. Any ideas?
 






Did you maybe miss the manual valve when installing valve body?
8C9C8641-7A8E-4743-88D4-02EB8E4E34D7.jpeg
 












fingers crossed
That is a very logical place to start
You gotta line up the shifter pawl with the shifter pin or you wont be able to shift gears inside the trans!
Easy to check and fix!
So fingers crossed......
 






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