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c6 not going forward

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Old Mar 7, 2008 | 06:18 PM
  #1  
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aaronhuck
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c6 not going forward

please help. I have a 72 ford f100 with 390/c6 transmission.In the morning I have to wait for several minutes for the tranny to engage.It will go into reverse easily but wont even try forward. My question is what is going on and how hard is it to fix. thanks Aaron
 
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Old Mar 8, 2008 | 10:10 AM
  #2  
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385seriesHemi
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From: Malvern, Ohio
Well some things that come to mind for me are WORN PUMP, BAD SEALS, BAD GOVERNOR probably give or take some more parts. Your transmission might be in need a complete overhaul. If you have good organization skills and great mechanical knowledge you can do the overhual but if you kow nothing of transmissions I suggest you ask a local *reputable trans repair shop for a rebuild quote. If you do attempt a rebuild yourself CLEANLINESS is what you NEED, you can not stress that enough with transmission servicing.
 
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Old Mar 8, 2008 | 08:19 PM
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ol yeller
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change the modulator valve and check vacuum to it. Those are the cheap fixes first.
 
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Old Mar 8, 2008 | 08:24 PM
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rclarke
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The forward clutch piston seals most likely have hardened and shrunk. After warmup they soften and seal again. The only proper fix is an overhaul.
 
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