Torque Converter not locking up

[Rockovert]

I have a 92 f350 7.3 2wd with e40d transmission. In short, I recently removed the engine to replace all the gaskets and and other small things. Before I started the project, my transmission shifted fine and torque converter was locking up when it needed to. However now that i have everything back together, the overdrive off light is flashing on the shifter and my torque converter is not locking up at all. Is there anything I can check for that might have caused this?

 

[Matt_INW]

Mine did that and l that was needed was to adjust something. I think it was the Fipl? Or something related to the shifting adjustment. Sorry I don’t remember for sure as it was the shop that did it and not me.


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[Rockovert]

I tried to adjust it an nothing changed

 

[Thewespaul]

What’s the middle wire showing for voltage at idle? Is your tach hooked up? Checked fuses and grounds?

 

[trackspeeder]

Check for codes. With OD OFF light flashing, you have codes stored.

With that light flashing you will not have OD.

 

[raydav]

I put LEDs in the cab connected to the four solenoids. So I know what the controller is trying to do. That separates the system between transmission and control system.

 

[saburai]

I put LEDs in the cab connected to the four solenoids. So I know what the controller is trying to do. That separates the system between transmission and control system.

That sounds cool and useful. Do you have any posts or a write up?

 

[Slicknik]

@saburai what is ATF fluid level at?

Also helps to get the code it’s throwing if your OD light is blinking

 

[saburai]

@saburai what is ATF fluid level at?

Also helps to get the code it’s throwing if your OD light is blinking

Thanks, but I'm not the OP.

 

[raydav]

That sounds cool and useful. Do you have any posts or a write up?

See new thread.

 

[Slicknik]

@Rockovert ,

what’s your ATF fluid level at ?
,
did you change the oil ?

post a picture of your neutral safety switch, you may have the old unit

But most importantly you need to find out what code your truck is throwing since you stated the OD light is flashing