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Old 03-14-2014, 04:00 PM
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attention e4od gurus, I am a brother in need of advice

Long time lurker, brand new member. I have a 1997 7.3 powerstroke automatic 2wd. After my tc locks up it stays locked and will stall the engine when coming to a stop. I have developed a strategy to avoid stalling by manually shifting to first gear or neutral and then manually shifting back up to drive once I have picked up momentum. It does this regular as clockwork, the only way to get the tc to unlock is to shift to neutral or park for at least 5 seconds and then back to first at which point the tranny slams into first and jolts the truck. After performing that procedure I can shift to drive and she will run normal until the tc locks and I attempt to stop again, then it is the same old story all over. Since it does lock up seemingly the same as always I suspect the problem is with the converter clutch control solenoid or more likely the converter clutch control valve in the valve body. Does anyone know how I can accurately determine the source or if I am even on the right track? Thanks in advance for the help and I apologize for the length but wanted to get out as much information as possible up front.
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Old 03-15-2014, 09:44 PM
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I had a similar issue when i first bought my truck but after topping off the fluids it seemed to have helped. Not insulting your intelligence, just making sure the basics are covered. Good luck!
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Old 03-15-2014, 11:41 PM
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Yes it sure doesnt hurt to check the fluid level and color/smell of the fluid. As odd as it sounds check your 3rd brake light. The tranny uses that circuit to tell the T/C to unlock when you hit the brake and without it the tranny does some weird things although it SHOULD unlock before it kills the engine but those two things i would check before jumping to conclusions.
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Old 03-16-2014, 11:21 AM
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Fluid just changed and checked. First thing I did when the problem presented itself was drop the pan and check the fluid condition and filter was seated, both were fine. Fresh fluid new filter and level right on the money. Third brake working well, driver side cargo light out but has been for months before this problem occurred.
Never would have thought the 3rd brake and tranny were on the same circuit good to know thanks. BTW Rammstein killer truck love the name "Stormtrooper" that's awesome!

Last edited by Old Grey 7.3; 03-16-2014 at 01:42 PM.
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e4od, engine stall, tcc won't unlock, torque converter clutch

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