Disable lockup on e4od - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 7 (permalink) Old 05-01-2012, 05:31 PM Thread Starter
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Disable lockup on e4od

I'm sure this has been addressed before. Can anyone tell me how to disable the lockup on my 2wd 95? The TC is tired. On cool mornings the transmission shifts fine with no noises. But when the temp comes up and lockup starts working, the TC is loud and it shudders. Changed the fluid and it helped some. Just want to nurse it along until cash flow is a little better. Thanks.
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post #2 of 7 (permalink) Old 05-01-2012, 10:57 PM
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Re: Disable lockup on e4od

I put a small toggle switch in line with the purple with yellow tracer so I can keep mine from.locking up when around town. Works great but if you get on it hard it may throw a code for too much tq slip.

Tow rig - 1996 F-250 now a 350 7.3, 6637 intake, 3in dp, 4in straight pipe exhaust, 6 pos with PHP tunes, intercooler, gauges.
Wheeling rig - 1995 Jeep Wrangler, 4.0 turbo, spring over, Dana 60's, spooled rear locked front, 37's, full cage.
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post #3 of 7 (permalink) Old 05-02-2012, 05:12 PM Thread Starter
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Re: Disable lockup on e4od

So, if I simply disconnect the wire from the plug, it should shut down lock up?
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post #4 of 7 (permalink) Old 05-02-2012, 06:47 PM
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Re: Disable lockup on e4od

Yes, it will. It will also set a code in the PCM and put the trans in failure mode. This sets pressures high so that all the shifts are going to be very, very firm.

Mark
Former Ford Automatic Transmission Engineer

“The good thing about science is that it's true whether or not you believe in it.” ― Neil deGrasse Tyson
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post #5 of 7 (permalink) Old 05-02-2012, 07:19 PM Thread Starter
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Re: Disable lockup on e4od

I don't mind a firm shift. As long as it doesn't damage anything. It's a pretty heavy truck. It's a '95 F-350 cab and chassis dually with a 3 yard. dump. Weighs about 7200lbs.
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post #6 of 7 (permalink) Old 05-03-2012, 01:37 AM
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Re: Disable lockup on e4od

like i said, drive it light no problem its when you get on it that it will throw a code and shift hard.

Tow rig - 1996 F-250 now a 350 7.3, 6637 intake, 3in dp, 4in straight pipe exhaust, 6 pos with PHP tunes, intercooler, gauges.
Wheeling rig - 1995 Jeep Wrangler, 4.0 turbo, spring over, Dana 60's, spooled rear locked front, 37's, full cage.
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post #7 of 7 (permalink) Old 05-03-2012, 12:01 PM Thread Starter
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Re: Disable lockup on e4od

That should be fine. I really don't jump on it a lot. About the only time I get on it is passing old grandpas on the back roads. Besides, if I don't like it, I can change it back. I have some sensors to replace first. This way I can deal with the check engine lights separately.
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