Tranny slipping? - Ford Powerstroke Diesel Forum

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post #1 of 15 Old 01-25-2008, 03:24 PM Thread Starter
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Tranny slipping?

Alright people here is my deal. I put a new transmission in this truck in June of last year. I recently added water meth to my truck and now my transmission in hating me. If I get on it pretty hard my truck has a heck of a vibration, it feels to me like my torque converter is slipping. I don't have much income right now but I plan on having a good job over the summer and i am going to focus my cash overflow into my transmission. I guess what I am asking is what is the best thing to do to my transmission to get it to hold together.

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Ty Lord
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post #2 of 15 Old 01-25-2008, 03:32 PM
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Have you test drove it without the trans command ?

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post #3 of 15 Old 01-25-2008, 03:35 PM Thread Starter
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Yes but it doesn't shift as firm and it feels like it is slipping even more between gears. When I tow (18,000-20,000 lbs) without the tow command my tranny gets pretty warm.

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2002 F250 super cab w/long bed , new 4r100 trans, rapid flow intake, zoodad mod, wicked wheel, foil delete, bellowed up pipes, Custom Wildman Tunes!, 4'' exhaust, 5'' rolled chrome tip, banks transcommand, dual trans coolers, cooling mist inject, wheels, tires, tinted windows, and all the chrome accessories I can stack on it!

Ty Lord
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post #4 of 15 Old 01-25-2008, 03:41 PM
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That sux, if the clutches are already slipping sounds like your gonna need a rebuild, may can save it with a bts or john wood valvebody and trans service ? good luck

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post #5 of 15 Old 01-25-2008, 03:56 PM Thread Starter
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When I burnt up the first tranny I was going to go with an aftermarket tranny but I was convinced by my all knowing father and our mechanic that this transmission would hold and the only reason the other tranny went out was becuase of the past owner. I have a two year warranty on this tranny but I still don't want to burn it up when I can prevent it. I am also planing on going to bigger injectors and turbo eventually in the next couple years.

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2002 F250 super cab w/long bed , new 4r100 trans, rapid flow intake, zoodad mod, wicked wheel, foil delete, bellowed up pipes, Custom Wildman Tunes!, 4'' exhaust, 5'' rolled chrome tip, banks transcommand, dual trans coolers, cooling mist inject, wheels, tires, tinted windows, and all the chrome accessories I can stack on it!

Ty Lord
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post #6 of 15 Old 01-25-2008, 04:04 PM
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id have it replaced under warantee and have your mechanic install a heavy duty torque converter, shift kit, tranny cooler, get rid of the inline tranny fluid filter, and block off the tranny cooler bypass so the fluid is always going to the tranny cooler.

probly cost you 5-700 bucks more but your tranny should hold up better.



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post #7 of 15 Old 01-25-2008, 04:25 PM Thread Starter
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Does anyone know any kits that are available that are of pretty good quality? My grandfather owns a trucking company and he is always looking to build something, so I know he would give me a hand and a place to do the build. Has anyone tried this before?

Yes, the Lord drives a

2002 F250 super cab w/long bed , new 4r100 trans, rapid flow intake, zoodad mod, wicked wheel, foil delete, bellowed up pipes, Custom Wildman Tunes!, 4'' exhaust, 5'' rolled chrome tip, banks transcommand, dual trans coolers, cooling mist inject, wheels, tires, tinted windows, and all the chrome accessories I can stack on it!

Ty Lord
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post #8 of 15 Old 01-25-2008, 05:18 PM
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it up for you.



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post #9 of 15 Old 01-25-2008, 08:21 PM
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Quote:
Originally Posted by rankroddin250 View Post
id have it replaced under warantee and have your mechanic install a heavy duty torque converter, shift kit, tranny cooler, get rid of the inline tranny fluid filter, and block off the coolant bypass so the coolant is always going to the tranny cooler.

probly cost you 5-700 bucks more but your tranny should hold up better.

I think you meant block off the trans fluid bypass. That way the fluid goes to the cooler all of the time and is not just recirculated back to the trans when the inline filter clogs. But the problem there is, if it is replaced under warranty, most places say the inline filter must be there or warranty of void.

John Wood takes the inline filter out and then he brazes the bypass shut so it can not blow open. That way the fluid is always ran through the cooler.

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post #10 of 15 Old 01-25-2008, 08:27 PM
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tranny

Quote:
Originally Posted by rankroddin250 View Post
id have it replaced under warantee and have your mechanic install a heavy duty torque converter, shift kit, tranny cooler, get rid of the inline tranny fluid filter, and block off the coolant bypass so the coolant is always going to the tranny cooler.

probly cost you 5-700 bucks more but your tranny should hold up better.
You got my vote,the only q I have ,is how high the stall. Take into consideration the stall speed for your future increases of power out put.
Good luck.
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