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OD blinking light fix.

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  #1  
Old 02-03-2011, 08:16 PM
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OD blinking light fix.

Ok so like a lucky few of you i have the blinking OD light and think i know what it is but hoping to get a couple other ideas to fix it. I got the truck coded a while back and it had a tc fault code, dont remember exactly what it was. And when i get into on-off traffic it sets off the od light and starts shifting hard. So im trying to deny the expensive fact that i might need a new tc or tranny. So is it possible that i need just a new tc or the entire tranny built, it shifts perfect when the od isnt blinking. i was looking for some links or help to fix this problem. What else could set the od off and make it shift hard? I know i should probably take it to a tranny shop to have it looked over, just thought i would come here first like i always do.
 
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Old 02-03-2011, 08:42 PM
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All i know is that's not a good thing! Get it checked out before you wreck the entire tranny.
 
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Old 02-03-2011, 08:51 PM
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Originally Posted by JamesHajek View Post
All i know is that's not a good thing! Get it checked out before you wreck the entire tranny.
Well i figure i have two solutions either fix it or stage I's and a chip
 
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Old 02-03-2011, 08:52 PM
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Originally Posted by YoungFordAddict66 View Post
Well i figure i have two solutions either fix it or stage I's and a chip
I see one solution in your sentence....Get stage 1's and a chip AND fix your tranny. I don't think OR is the correct term.
 
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Old 02-03-2011, 09:02 PM
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Yea but see right now i dont know how to fix it, but if i get stage I's and a chip i would know what to fix lol
 
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Old 02-03-2011, 09:07 PM
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Take it to a tranny shop. That's what I would do in this situation. Try to find out what the best shop in your area is and go there. Talk to them. Talk about your options.
 
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Old 02-03-2011, 09:20 PM
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Yea thats what i was thinkin i should do to diagnose it best. i was just hoping someone here would have an idea of anything else that could help. i think i have heard of those connections in the tranny causing problems just didnt know if they would cause this.
 
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Old 02-03-2011, 10:29 PM
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Look on top of your rear diff case. There is a sensor. It is the vehicle speed sensor. Take out the one bolt holding it in, pull out carefully as I've seen one broken off(wouldn't want to drop it into the diff if so), and inspect/clean. Sometimes that is all that causes the hard shifts. In my case I had the OD light blinking and threw a TC fault code and needed a new TC or tranny. I didn't go to the work of rebuilding it all or diagosing tc vs trans, instead swapped to a zf so no help from me there. Good luck and if that doesn't work then you may have a ticking bomb so don't push it.
 
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Old 02-03-2011, 11:09 PM
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Oh yea i forgot about the speed sensor, i shoulda checked that when i replaced the rear diff fluid.
 
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Old 02-03-2011, 11:34 PM
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Blake, I had it once 1,800 miles from home. I put in that Lucas anti slip stuff and it worked long enough to get me home. Then it was rebuild time.
 
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Old 02-03-2011, 11:52 PM
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Yea when i got the truck coded last year around spring time the guy that coded it for me put that in and it seemed to help for a little while. maybe i should go get some soon before i make the trip to go home.
 
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Old 02-03-2011, 11:59 PM
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This kinda off topic but im pretty new to this website an i dont know how to post a new thread
 
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Old 02-04-2011, 12:01 AM
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Originally Posted by dgoertel View Post
This kinda off topic but im pretty new to this website an i dont know how to post a new thread
Go back to the 94-97 powerstroke page and there is a button on the top left. Should say new thread or post thread. I forget now.
 
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Old 02-04-2011, 05:54 AM
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Blake, I have had my OD light come on many times and have been trying to figure it out for quite a while, I have taken truck to shop that my buddy owns but he says that everything looks good inside, fluid is red , no smell, pessures are good and don't think it needs to be rebuilt. We did change the VSS a few years ago and some kind of electrical pack in the tranny but I still have the problem once in a while.

RB - 96 350, PSD, auto, 4X4
 
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Old 02-04-2011, 11:03 AM
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Yeah, anytime that OD light is blinking, its on its way out the door.. Other Ford models will do the same thing before going toast. The fact that you had a friend install the treatment already last year, I think you milked her for all you could!

Hey, you were looking to upgrade anyways, right?
 
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