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trans problem

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Old Dec 29, 2007 | 05:46 PM
  #1  
67rangerxlt's Avatar
67rangerxlt
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From: Cabot, ar
trans problem

Sorry to start off with, but i have not gotten any replies in the trans forum. I am hoping that someone might be able to help me here.

Heres my problem i have a 67 ford with a 390 c-6 2wd. i had the trans rebuilt last year and have only put 200 miles on it when i rev it up or start driving it. it vibrates really bad usually above 2500 rpm. i pulled the trans and started the motor no vibration.
any body have an idea i would appriciate it. my thought is the torque converter.
 
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Old Dec 29, 2007 | 08:28 PM
  #2  
PLC7.3's Avatar
PLC7.3
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From: Manitoba
I think your in the wrong forum...... find the forum for your truck year and model

1967 - 1972 F-100 And Larger F-Series Trucks

Thanks for stopping by..... FYI I would check the universal joints on the driveshaft.......
 
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Old Dec 29, 2007 | 08:44 PM
  #3  
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Dave Sponaugle
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From: Nutter Fort, WV
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I know nothing about an automatic, but revving the engine in neutral the vibration would have to be in the torque converter/flywheel area I would think.

If you just have a vibration present while driving, then I would look at U joints or possibly a bent drive shaft.

I have also seen several posts in this forum about the center of the flex plate cracking near the crankshaft on the diesel engine models.

You may have to go find a diesel truck, and get some really black diesel oil on your hands before we can help you more though.

Careful though, diesel oil black is infectious.
The only cure is buy a diesel and do regular 10 quart 3000 mile oil changes.
 

Last edited by Dave Sponaugle; Dec 29, 2007 at 08:51 PM.
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Old Dec 30, 2007 | 12:50 AM
  #4  
ford trans tech's Avatar
ford trans tech
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if it will occur in neutral and is gone with the trans out it is the torque converter out of balance ifit only occurs while teh truck is moving the driveline is the concern
 
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Old Jan 3, 2008 | 09:24 AM
  #5  
67rangerxlt's Avatar
67rangerxlt
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From: Cabot, ar
thanks dave spongule. I already have an 86 f-250 with 6.9 4spd 4x4. even the same color as yours.

thanks for the help. i asked on this forum cause no body else would reply in the other two threads i posted.
 
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Old Jan 3, 2008 | 07:26 PM
  #6  
Dave Sponaugle's Avatar
Dave Sponaugle
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From: Nutter Fort, WV
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Hope we helped, black 86 F series trucks are cool looking.
The black smoke makes them look even better.

Just pulling your leg a bit, gave me a good chuckle though.

Did you find the problem?
 
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