anybody know a good way to test tcc lockup - Ford Powerstroke Diesel Forum

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post #1 of 16 Old 09-27-2009, 12:25 PM Thread Starter
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anybody know a good way to test tcc lockup

ok so i took the purple/w yellow tracer tapped into it and then i put it in gear held the brakes. when i grounded the wire i only got a drop in rpm. WTF.. if im correct here it shoulda killed it. anybody have an idea whats wrong here. or any ways to to check pcm voltage(what should it be) how to test the solenoid or wat. the converter has like 100 miles on it so im pretty sure it good. when i bought it the converter had went in it and looks like someone had cut the tcc wire and also a brown one(dont know what its for) and i put them back togetrher. any help here would be awesome. my other trans posts were because of a overheat situatuion and im pretty sure this is the cause. thanks guys
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post #2 of 16 Old 09-27-2009, 08:16 PM Thread Starter
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Anybody help plz..... Anybody know what PCM supply volts should be
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post #3 of 16 Old 09-27-2009, 08:57 PM
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What kind of drop in RPM?

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post #4 of 16 Old 09-28-2009, 12:19 AM Thread Starter
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Like 200 maybe I can't decide if it's the solenoid or internal to the trans. If I understand correctly this solenoid is on/ off only there's no partial tc lockup on these models.
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post #5 of 16 Old 09-28-2009, 06:25 AM
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Like 200 maybe I can't decide if it's the solenoid or internal to the trans. If I understand correctly this solenoid is on/ off only there's no partial tc lockup on these models.
Does the motor bod down like something is preventing it from spinning? IF your foot is on the brake when you ground it, if its not going to stall right away and manages to pull it self for a bit the turck will shake like hell and then stall. Or it might be like mine and the tires will start to spin sometimes

IF the TC locks up, but the truck doesn't stall, then your TC is still slipping and this switch is not for you until you get another TC.

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post #6 of 16 Old 09-28-2009, 01:39 PM Thread Starter
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Well I held the ground for awhile and it don't stall but how could converter be bad it's only got maybe 100 miles on it. There's 12 volts to solenoid and I can hear it click w koeoff. So does this sound internal. Thanks
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post #7 of 16 Old 09-28-2009, 06:46 PM
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Well I held the ground for awhile and it don't stall but how could converter be bad it's only got maybe 100 miles on it. There's 12 volts to solenoid and I can hear it click w koeoff. So does this sound internal. Thanks
Because if the trucks not stalling, its slipping.

Does it lock when driving?

Take a video of it for me.

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post #8 of 16 Old 09-28-2009, 07:10 PM
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TC problem

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post #9 of 16 Old 09-28-2009, 07:29 PM Thread Starter
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Honestly I cannot tell if it locks while driving. What would you like to see tach and???? The truck shifts good and runs down the road good but while cruising at 65 70 it gets an odd vibration/shudder then it goes away the. It comes back. After I got home it puked maybe a tablespon of fluid out.
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post #10 of 16 Old 09-28-2009, 07:30 PM Thread Starter
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Hijo the cab sound proofing is awesomedid fatmat in mine.
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