TC going out - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 20 (permalink) Old 11-24-2007, 12:30 AM Thread Starter
HHAUL'N STROKER
 
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TC going out

So help me out with this, so my tc is for some reason going out. Now correct me if i'm wrong but if your tc is going bad you will have slippage and that will create lots of heat. Now wouldnt that raise your trans temps alot? Im running 130* to 140* never any higher. So help me out with this brain scratcher. Thanks
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post #2 of 20 (permalink) Old 11-24-2007, 12:56 AM
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Re: TC going out

Wouldn't have anything to do with these black marks would it?


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post #3 of 20 (permalink) Old 11-24-2007, 02:16 AM
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Re: TC going out

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post #4 of 20 (permalink) Old 11-24-2007, 04:29 AM
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Re: TC going out

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Originally Posted by SMOK'N BLUE STROKER View Post
So help me out with this, so my tc is for some reason going out. Now correct me if i'm wrong but if your tc is going bad you will have slippage and that will create lots of heat. Now wouldnt that raise your trans temps alot? Im running 130* to 140* never any higher. So help me out with this brain scratcher. Thanks
When my tc went out, I really couldn't notice any slipping in the beginning... then it got to the point I couldn't even get enough load on the motor to smoke at low boost in 120

But I also had EXTREME trans temps... 220*+ and pegged my 250* gauge a few times I found clutch material clogging the in side of the OTW cooler in my radiator. I could pull the line and blow air the opposite direction of fluid flow and get the chunks out. Temps would be *ok* for a few days untill it clogged up again. repeated process. Got by like this for a few weeks untill I dropped the trans and replaced my TC.

I'm no expert, but I'm gonna say if you *feel* slip but don't have extreme temps, it's possible its not the TC

'00 F350 CC LB 4wd 7.3L with stuff, haulin' a 40' trailer with toys
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post #5 of 20 (permalink) Old 11-24-2007, 03:23 PM
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Re: TC going out

Can't you usually hear when they are starting to go bad too?


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post #6 of 20 (permalink) Old 11-24-2007, 05:34 PM
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Re: TC going out

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Originally Posted by SMOK'N BLUE STROKER View Post
So help me out with this, so my tc is for some reason going out.
Why do you think your torque converter is going out?

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Originally Posted by SMOK'N BLUE STROKER View Post
Now correct me if i'm wrong but if your tc is going bad you will have slippage and that will create lots of heat. Now wouldnt that raise your trans temps alot?
Maybe. It depends on a lot of factors. A torque converter can fail and never raise the trans temp. Also, trans temp can go real high and there is nothing wrong with the torque converter.

So what's wrong that makes you think the torque converter is going out?
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post #7 of 20 (permalink) Old 11-27-2007, 05:53 AM
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Re: TC going out

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Can't you usually hear when they are starting to go bad too?
Sometimes, like steel balls or marbles rolling in a metal can. Thats just 1 type of failure. A shear off failure is quiet. Just no go. Some Multi disc designs rattle when shook by hand but are quiet when cushioned by atf. Thrust failure is a loud pitched clang. Noise is usually not good news.


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post #8 of 20 (permalink) Old 11-27-2007, 10:25 PM
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Re: TC going out

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Sometimes, like steel balls or marbles rolling in a metal can. Thats just 1 type of failure. A shear off failure is quiet. Just no go. Some Multi disc designs rattle when shook by hand but are quiet when cushioned by atf. Thrust failure is a loud pitched clang. Noise is usually not good news.
That's kinda what started this thread, you can hear his truck ideling & it sounds rather loud like steel balls or marbles rolling in a metal can like you said. I know my Ma's truck doesn't sound like it, her's is alot smoother at idle.
His truck seems like it's shifting a little harder too lately.


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And remember, he's cat rebel....he doesn't do it the normal way.
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post #9 of 20 (permalink) Old 11-30-2007, 10:31 AM
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Re: TC going out

Mine was getting hot under towing load. I was told it was the pump was going bad. It wasn't supplying enough pressure to the TC to keep it from slipping.

Greg

2000 PSD F250 4X4 Crew, John Wood 4R100, DP Tuner, 4" Diamond eye, Tymar, LIFT, 35" Toyos, Pillar gauges, TC lockup switch, 6.0L cooler, Single core rad, Most of all a Cool Driver, THATS ALL.
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post #10 of 20 (permalink) Old 12-06-2007, 01:11 AM Thread Starter
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Re: TC going out

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Originally Posted by Mark Kovalsky View Post
Why do you think your torque converter is going out?



Maybe. It depends on a lot of factors. A torque converter can fail and never raise the trans temp. Also, trans temp can go real high and there is nothing wrong with the torque converter.

So what's wrong that makes you think the torque converter is going out?
I think its going out cause its getn real noisy. And alot of people say its loud. I dont think so. But i dont have high tranny temps and i tow with it to!
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