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post #1 of 8 (permalink) Old 03-04-2007, 01:34 PM Thread Starter
 
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J mod problems Help needed

First of all, I have a 99' 4R70W Mustang.

I just J modded my valve body and the car will NOT shift into anything but drive.

When I shift it to reverse or neutral the car goes into drive. Also, it will not shift into 1 or 2 at all.

I did the mild J-mod. I just drilled the sperator plate. I did not touch the 1-2 accumulator or 2-3 accumulator.

The O/D light is blinking on and off also.
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post #2 of 8 (permalink) Old 03-04-2007, 01:58 PM Thread Starter
 
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It freely shifts without the brake depressed....
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post #3 of 8 (permalink) Old 03-04-2007, 02:00 PM
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I'm no trans expert, but you must make sure you reconnected all the solenoids inside the trans. That's probably why the O/D light is blinking. Also, when you put the valve body back on you had to make sure to position the manual control valve in the right spot. I'll stop here and let someone else more knowledgeable chime in.

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post #4 of 8 (permalink) Old 03-04-2007, 02:15 PM Thread Starter
 
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I reconnected all the noids.

Manual control valve? Is that the fork like piece with the roller on the end? If so, yes, it was installed the same way it was removed.
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post #5 of 8 (permalink) Old 03-04-2007, 05:21 PM Thread Starter
 
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I didn't have the interlock connected to that piston thing on the valve body

Hopefully that was it. Im off to the parts store to get more fluid.
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post #6 of 8 (permalink) Old 03-04-2007, 06:23 PM
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MLPS hooked up? If the OD light is blinking check the codes and see what it says.
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post #7 of 8 (permalink) Old 03-04-2007, 07:27 PM
 
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This is why I started the shift kit for dummies as I am araid I will have something like this happen to me. Good luck and let us know what the fix is! mark
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post #8 of 8 (permalink) Old 03-05-2007, 07:55 PM Thread Starter
 
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Quote:
Originally Posted by sweet99 View Post
This is why I started the shift kit for dummies as I am araid I will have something like this happen to me. Good luck and let us know what the fix is! mark

That was it
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